Praxis Data Lab · Variable History

Variable history and harmonization report.

Review variable definitions, cycle chronology, survey design, laboratory methods, method-change boundaries, detection limits, and evidence-backed harmonization actions.

4,234matching variable codes

5,112 release records across 166 datasets and 1 cycles.

Search scope

Filtered NHANES variable history

Cycle: 2015-2016.

Harmonization summary

3,678 label-stable codes

Label changes detected
22
Multiple dataset contexts
556
Unique codes
4,234
Enriched codes in this report
1

Scientific safeguard

Qualified assessment is authoritative; chronology remains supporting evidence.

Praxis separates source-stated method or instrument changes from automated differences in CDC/NCHS method text. The qualified harmonization assessment below is the researcher-facing conclusion; method chronology explains the underlying evidence and does not override that adjudication.

Variable-by-variable chronology

Qualified harmonization assessment and indexed evidence

Each variable first shows the current qualified assessment used by Study Builder, followed by cycle-specific source evidence and method chronology.

ACD011ACompatible with harmonization

What language(s) {do you/does SP} usually speak at home?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • What language(s) {do you/does SP} usually speak at home?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ACQ_I — What language(s) {do you/does SP} usually speak at home? — Acculturation (Questionnaire)
ACD011BCompatible with harmonization

What language(s) {do you/does SP} usually speak at home?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • What language(s) {do you/does SP} usually speak at home?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ACQ_I — What language(s) {do you/does SP} usually speak at home? — Acculturation (Questionnaire)
ACD011CCompatible with harmonization

What language(s) {do you/does SP} usually speak at home?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • What language(s) {do you/does SP} usually speak at home?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ACQ_I — What language(s) {do you/does SP} usually speak at home? — Acculturation (Questionnaire)
ACD040Compatible with harmonization

Now I'm going to ask you about language use. What language(s) {do you/does SP} usually speak at home? {Do you/Does he/Does she} speak only Spanish, more Spanish than English, both equally, more English than Spanish, or only English?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Now I'm going to ask you about language use. What language(s) {do you/does SP} usually speak at home? {Do you/Does he/Does she} speak only Spanish, more Spanish than English, both equally, more English than Spanish, or only English?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ACQ_I — Now I'm going to ask you about language use. What language(s) {do you/does SP} usually speak at home? {Do you/Does he/Does she} speak only Spanish, more Spanish than English, both equally, more English than Spanish, or only English? — Acculturation (Questionnaire)
ACD110Compatible with harmonization

{Do you/Does SP} speak only (NON-ENGLISH LANGUAGE), more (NON-ENGLISH LANGUAGE) than English, both equally, more English than (NON-ENGLISH LANGUAGE), or only English?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Do you/Does SP} speak only (NON-ENGLISH LANGUAGE), more (NON-ENGLISH LANGUAGE) than English, both equally, more English than (NON-ENGLISH LANGUAGE), or only English?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ACQ_I — {Do you/Does SP} speak only (NON-ENGLISH LANGUAGE), more (NON-ENGLISH LANGUAGE) than English, both equally, more English than (NON-ENGLISH LANGUAGE), or only English? — Acculturation (Questionnaire)
AGQ030Compatible with harmonization

During the past 12 months, {have you/has SP} had an episode of hay fever?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • During the past 12 months, {have you/has SP} had an episode of hay fever?2015-2016
Cycle-by-cycle release history
  • 2015-2016: MCQ_I — During the past 12 months, {have you/has SP} had an episode of hay fever? — Medical Conditions (Questionnaire)
AIALANGACompatible with harmonization

Language of the MEC ACASI Interview Instrument

Observed years
20152016
Release records
1
Datasets
1
Components
Demographics
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Language of the MEC ACASI Interview Instrument2015-2016
Cycle-by-cycle release history
  • 2015-2016: DEMO_I — Language of the MEC ACASI Interview Instrument — Demographic Variables and Sample Weights (Demographics)
ALD020Compatible with harmonization

During your life, on how many days have you had at least one drink of alcohol?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2005-2006 · 2005-2006 → 2007-2008 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • During your life, on how many days have you had at least one drink of alcohol?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQY_I_R — During your life, on how many days have you had at least one drink of alcohol? — Alcohol Use - Youth (Questionnaire) — Note: RDC Only
ALD030Compatible with harmonization

During the past 30 days, on how many days did you have at least one drink of alcohol?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2005-2006 · 2005-2006 → 2007-2008 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • During the past 30 days, on how many days did you have at least one drink of alcohol?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQY_I_R — During the past 30 days, on how many days did you have at least one drink of alcohol? — Alcohol Use - Youth (Questionnaire) — Note: RDC Only
ALD040Compatible with harmonization

During the past 30 days, on how many days did you have {'4' Female, '5' Male - DISPLAY NUMBER} or more drinks of alcohol in a row, that is, within a couple of hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2005-2006 · 2005-2006 → 2007-2008 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • During the past 30 days, on how many days did you have {'4' Female, '5' Male - DISPLAY NUMBER} or more drinks of alcohol in a row, that is, within a couple of hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQY_I_R — During the past 30 days, on how many days did you have {'4' Female, '5' Male - DISPLAY NUMBER} or more drinks of alcohol in a row, that is, within a couple of hours? — Alcohol Use - Youth (Questionnaire) — Note: RDC Only
ALQ010Compatible with harmonization

How old were you when you had your first drink of alcohol, other than a few sips?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2005-2006 · 2005-2006 → 2007-2008 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How old were you when you had your first drink of alcohol, other than a few sips?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQY_I_R — How old were you when you had your first drink of alcohol, other than a few sips? — Alcohol Use - Youth (Questionnaire) — Note: RDC Only
ALQ101Compatible with harmonization

In any one year, {have you/has SP} had at least 12 drinks of any type of alcoholic beverage? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or a one and a half ounces of liquor.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In any one year, {have you/has SP} had at least 12 drinks of any type of alcoholic beverage? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or a one and a half ounces of liquor.2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — In any one year, {have you/has SP} had at least 12 drinks of any type of alcoholic beverage? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or a one and a half ounces of liquor. — Alcohol Use (Questionnaire)
ALQ110Compatible with harmonization

In {your/SP's} entire life, {have you/has he/has she} had at least 12 drinks of any type of alcoholic beverage?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In {your/SP's} entire life, {have you/has he/has she} had at least 12 drinks of any type of alcoholic beverage?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — In {your/SP's} entire life, {have you/has he/has she} had at least 12 drinks of any type of alcoholic beverage? — Alcohol Use (Questionnaire)
ALQ120QCompatible with harmonization

In the past 12 months, how often did {you/SP} drink any type of alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} drink?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, how often did {you/SP} drink any type of alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} drink?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — In the past 12 months, how often did {you/SP} drink any type of alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} drink? — Alcohol Use (Questionnaire)
ALQ120UCompatible with harmonization

UNIT OF MEASURE.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • UNIT OF MEASURE.2015-2016
Cycle-by-cycle release history
ALQ130Compatible with harmonization

In the past 12 months, on those days that {you/SP} drank alcoholic beverages, on the average, how many drinks did {you/he/she} have? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or one and a half ounces of liquor.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, on those days that {you/SP} drank alcoholic beverages, on the average, how many drinks did {you/he/she} have? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or one and a half ounces of liquor.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — In the past 12 months, on those days that {you/SP} drank alcoholic beverages, on the average, how many drinks did {you/he/she} have? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or one and a half ounces of liquor.) — Alcohol Use (Questionnaire)
ALQ141QCompatible with harmonization

In the past 12 months, on how many days did {you/SP} have {Display number} or more drinks of any alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} have {DISPLAY NUMBER} or more drinks in a single day?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, on how many days did {you/SP} have {Display number} or more drinks of any alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} have {DISPLAY NUMBER} or more drinks in a single day?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — In the past 12 months, on how many days did {you/SP} have {Display number} or more drinks of any alcoholic beverage? PROBE: How many days per week, per month, or per year did {you/SP} have {DISPLAY NUMBER} or more drinks in a single day? — Alcohol Use (Questionnaire)
ALQ141UCompatible with harmonization

UNIT OF MEASURE.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • UNIT OF MEASURE.2015-2016
Cycle-by-cycle release history
ALQ151Compatible with harmonization

Was there ever a time or times in {your/SP's} life when {you/he/she} drank {DISPLAY NUMBER} or more drinks of any kind of alcoholic beverage almost every day?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Was there ever a time or times in {your/SP's} life when {you/he/she} drank {DISPLAY NUMBER} or more drinks of any kind of alcoholic beverage almost every day?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — Was there ever a time or times in {your/SP's} life when {you/he/she} drank {DISPLAY NUMBER} or more drinks of any kind of alcoholic beverage almost every day? — Alcohol Use (Questionnaire)
ALQ160Compatible with harmonization

During the past 30 days, how many times did {you/SP} drink {DISPLAY NUMBER} or more drinks of any kind of alcohol in about two hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • During the past 30 days, how many times did {you/SP} drink {DISPLAY NUMBER} or more drinks of any kind of alcohol in about two hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: ALQ_I — During the past 30 days, how many times did {you/SP} drink {DISPLAY NUMBER} or more drinks of any kind of alcohol in about two hours? — Alcohol Use (Questionnaire)
AUAEARCompatible with harmonization

Which ear tested first?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Which ear tested first?2015-2016
Cycle-by-cycle release history
AUAEXCMTCompatible with harmonization

Comment code for an Audio Exam

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Comment code for an Audio Exam2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Comment code for an Audio Exam — Audiometry (Examination)
AUAEXSTSCompatible with harmonization

Status of an Audiometry Exam

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Status of an Audiometry Exam2015-2016
Cycle-by-cycle release history
AUAFMANLCompatible with harmonization

Frequency at Which Switched From Auto to Manual Audio Testing (Left)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Frequency at Which Switched From Auto to Manual Audio Testing (Left)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Frequency at Which Switched From Auto to Manual Audio Testing (Left) — Audiometry (Examination)
AUAFMANRCompatible with harmonization

Frequency at Which Switched From Auto to Manual Audio Testing (Right)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Frequency at Which Switched From Auto to Manual Audio Testing (Right)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Frequency at Which Switched From Auto to Manual Audio Testing (Right) — Audiometry (Examination)
AUALEQCCompatible with harmonization

Quality Code for Tympanogram of Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Quality Code for Tympanogram of Left Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Quality Code for Tympanogram of Left Ear — Audiometry (Examination)
AUAMODECompatible with harmonization

Mode of Audiometric Test (Manual/Automatic/Mixed)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Mode of Audiometric Test (Manual/Automatic/Mixed)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Mode of Audiometric Test (Manual/Automatic/Mixed) — Audiometry (Examination)
AUAREQCCompatible with harmonization

Quality Code for Tympanogram of Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Quality Code for Tympanogram of Right Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Quality Code for Tympanogram of Right Ear — Audiometry (Examination)
AUATYMTLCompatible with harmonization

Tympanogram Type, Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Tympanogram Type, Left Ear2015-2016
Cycle-by-cycle release history
AUATYMTRCompatible with harmonization

Tympanogram Type, Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Tympanogram Type, Right Ear2015-2016
Cycle-by-cycle release history
AUD148Compatible with harmonization

Which was it?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Which was it?2015-2016
Cycle-by-cycle release history
AUDLOABCCompatible with harmonization

Other Exam Abnormality, Left, Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Other Exam Abnormality, Left, Comment2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Other Exam Abnormality, Left, Comment — Audiometry (Examination)
AUDROABCCompatible with harmonization

Other Exam Abnormality, Right, Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Other Exam Abnormality, Right, Comment2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Other Exam Abnormality, Right, Comment — Audiometry (Examination)
AUQ010Compatible with harmonization

Do you now have a tube in your right or left ear? (If yes, indicate affected ear(s))

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Do you now have a tube in your right or left ear? (If yes, indicate affected ear(s))2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Do you now have a tube in your right or left ear? (If yes, indicate affected ear(s)) — Audiometry (Examination)
AUQ020Compatible with harmonization

Have you had a cold, sinus problem, or earache in the last 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had a cold, sinus problem, or earache in the last 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had a cold, sinus problem, or earache in the last 24 hours? — Audiometry (Examination)
AUQ020ACompatible with harmonization

Have you had a cold in the last 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had a cold in the last 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had a cold in the last 24 hours? — Audiometry (Examination)
AUQ020BCompatible with harmonization

Have you had a sinus problem in the last 24 hours

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had a sinus problem in the last 24 hours2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had a sinus problem in the last 24 hours — Audiometry (Examination)
AUQ020CCompatible with harmonization

Have you had an earache in the right ear in the last 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had an earache in the right ear in the last 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had an earache in the right ear in the last 24 hours? — Audiometry (Examination)
AUQ020DCompatible with harmonization

Have you had an earache in left ear in the last 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had an earache in left ear in the last 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had an earache in left ear in the last 24 hours? — Audiometry (Examination)
AUQ020ECompatible with harmonization

Have you had an earache in both ears in the last 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you had an earache in both ears in the last 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you had an earache in both ears in the last 24 hours? — Audiometry (Examination)
AUQ030Compatible with harmonization

Have you been exposed to loud noise or listened to music with headphones in the past 24 hours?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Have you been exposed to loud noise or listened to music with headphones in the past 24 hours?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Have you been exposed to loud noise or listened to music with headphones in the past 24 hours? — Audiometry (Examination)
AUQ040Compatible with harmonization

How many hours ago did the noise or music end?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How many hours ago did the noise or music end?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — How many hours ago did the noise or music end? — Audiometry (Examination)
AUQ050Compatible with harmonization

Do you hear better in one ear than the other?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Do you hear better in one ear than the other?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Do you hear better in one ear than the other? — Audiometry (Examination)
AUQ054Compatible with harmonization

These next questions are about {your/SP's} hearing. Which statement best describes {your/SP's} hearing (without a hearing aid or other listening devices)? Would you say {your/his/her} hearing is excellent, good, that {you have/s/he has} a little trouble, moderate trouble, a lot of trouble, or {are you/is s/he} deaf?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • These next questions are about {your/SP's} hearing. Which statement best describes {your/SP's} hearing (without a hearing aid or other listening devices)? Would you say {your/his/her} hearing is excellent, good, that {you have/s/he has} a little trouble, moderate trouble, a lot of trouble, or {are you/is s/he} deaf?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — These next questions are about {your/SP's} hearing. Which statement best describes {your/SP's} hearing (without a hearing aid or other listening devices)? Would you say {your/his/her} hearing is excellent, good, that {you have/s/he has} a little trouble, moderate trouble, a lot of trouble, or {are you/is s/he} deaf? — Audiometry (Questionnaire)
AUQ060Compatible with harmonization

These next questions refer to hearing without the use of a hearing aid or any other listening devices. If {you have/SP has} one ear that is better than the other, please answer the questions for the hearing in {your/SP's} better ear. Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person whispers to {you/him/her} from across a quiet room?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • These next questions refer to hearing without the use of a hearing aid or any other listening devices. If {you have/SP has} one ear that is better than the other, please answer the questions for the hearing in {your/SP's} better ear. Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person whispers to {you/him/her} from across a quiet room?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — These next questions refer to hearing without the use of a hearing aid or any other listening devices. If {you have/SP has} one ear that is better than the other, please answer the questions for the hearing in {your/SP's} better ear. Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person whispers to {you/him/her} from across a quiet room? — Audiometry (Questionnaire)
AUQ070Compatible with harmonization

Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person talks in a normal voice to {you/him/her} from across a quiet room?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person talks in a normal voice to {you/him/her} from across a quiet room?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person talks in a normal voice to {you/him/her} from across a quiet room? — Audiometry (Questionnaire)
AUQ080Compatible with harmonization

Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person shouts to {you/him/her} from across a quiet room?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person shouts to {you/him/her} from across a quiet room?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person shouts to {you/him/her} from across a quiet room? — Audiometry (Questionnaire)
AUQ090Compatible with harmonization

Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person speaks loudly into {your/his/her} better ear?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person speaks loudly into {your/his/her} better ear?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — Can {you/SP} usually hear and understand what a person says without seeing his or her face if that person speaks loudly into {your/his/her} better ear? — Audiometry (Questionnaire)
AUQ100Compatible with harmonization

How often {do you/does SP} find it difficult to follow a conversation if there is background noise, for example, when other people are talking, TV or radio is on, or children are playing? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How often {do you/does SP} find it difficult to follow a conversation if there is background noise, for example, when other people are talking, TV or radio is on, or children are playing? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How often {do you/does SP} find it difficult to follow a conversation if there is background noise, for example, when other people are talking, TV or radio is on, or children are playing? Would you say... — Audiometry (Questionnaire)
AUQ110Compatible with harmonization

How often does {your/SP's} hearing cause {you/him/her}to feel frustrated when talking to members of {your/his/her} family or to friends? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How often does {your/SP's} hearing cause {you/him/her}to feel frustrated when talking to members of {your/his/her} family or to friends? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How often does {your/SP's} hearing cause {you/him/her}to feel frustrated when talking to members of {your/his/her} family or to friends? Would you say... — Audiometry (Questionnaire)
AUQ136Compatible with harmonization

{Have you/Has SP} ever had 3 or more ear infections? Please include ear infections {you/he/she} may have had when {you were/he was/she was} a child.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Have you/Has SP} ever had 3 or more ear infections? Please include ear infections {you/he/she} may have had when {you were/he was/she was} a child.2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Have you/Has SP} ever had 3 or more ear infections? Please include ear infections {you/he/she} may have had when {you were/he was/she was} a child. — Audiometry (Questionnaire)
AUQ138Compatible with harmonization

{Have you/Has SP} ever had a tube placed in {your/his/her} ear to drain the fluid from {your/his/her} ear?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Have you/Has SP} ever had a tube placed in {your/his/her} ear to drain the fluid from {your/his/her} ear?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Have you/Has SP} ever had a tube placed in {your/his/her} ear to drain the fluid from {your/his/her} ear? — Audiometry (Questionnaire)
AUQ144Compatible with harmonization

A hearing test by a specialist is one that is done in a sound proof booth or room, or with headphones. Hearing specialists include audiologists, ear nose and throat doctors, and trained technicians or occupational nurses. When was the last time {you had/SP had} {your/his/her} hearing tested by a hearing specialist?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • A hearing test by a specialist is one that is done in a sound proof booth or room, or with headphones. Hearing specialists include audiologists, ear nose and throat doctors, and trained technicians or occupational nurses. When was the last time {you had/SP had} {your/his/her} hearing tested by a hearing specialist?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — A hearing test by a specialist is one that is done in a sound proof booth or room, or with headphones. Hearing specialists include audiologists, ear nose and throat doctors, and trained technicians or occupational nurses. When was the last time {you had/SP had} {your/his/her} hearing tested by a hearing specialist? — Audiometry (Questionnaire)
AUQ146Compatible with harmonization

{Have you/Has SP} ever worn a hearing aid or cochlear implant?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Have you/Has SP} ever worn a hearing aid or cochlear implant?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Have you/Has SP} ever worn a hearing aid or cochlear implant? — Audiometry (Questionnaire)
AUQ152Compatible with harmonization

In the past 12 months, how often {have you/has SP} worn a hearing aid?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, how often {have you/has SP} worn a hearing aid?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — In the past 12 months, how often {have you/has SP} worn a hearing aid? — Audiometry (Questionnaire)
AUQ154Compatible with harmonization

{Have you/Has SP} ever used assistive listening devices (ALDs), such as FM systems, closed-captioned television, amplified telephone, relay services, or a sign-language interpreter?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Have you/Has SP} ever used assistive listening devices (ALDs), such as FM systems, closed-captioned television, amplified telephone, relay services, or a sign-language interpreter?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Have you/Has SP} ever used assistive listening devices (ALDs), such as FM systems, closed-captioned television, amplified telephone, relay services, or a sign-language interpreter? — Audiometry (Questionnaire)
AUQ191Compatible with harmonization

In the past 12 months, {have you/has SP} been bothered by ringing, roaring, or buzzing in {your/his/her} ears or head that lasts for 5 minutes or more?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, {have you/has SP} been bothered by ringing, roaring, or buzzing in {your/his/her} ears or head that lasts for 5 minutes or more?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — In the past 12 months, {have you/has SP} been bothered by ringing, roaring, or buzzing in {your/his/her} ears or head that lasts for 5 minutes or more? — Audiometry (Questionnaire)
AUQ250Compatible with harmonization

How long {have you/has SP} been bothered by this ringing, roaring, or buzzing in {your/his/her} ears or head?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How long {have you/has SP} been bothered by this ringing, roaring, or buzzing in {your/his/her} ears or head?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How long {have you/has SP} been bothered by this ringing, roaring, or buzzing in {your/his/her} ears or head? — Audiometry (Questionnaire)
AUQ255Compatible with harmonization

In the past 12 months, how often {have you/has SP} had this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In the past 12 months, how often {have you/has SP} had this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — In the past 12 months, how often {have you/has SP} had this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say... — Audiometry (Questionnaire)
AUQ260Compatible with harmonization

{Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head only after listening to loud sounds or loud music?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head only after listening to loud sounds or loud music?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head only after listening to loud sounds or loud music? — Audiometry (Questionnaire)
AUQ270Compatible with harmonization

{Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
AUQ280Compatible with harmonization

How much of a problem is this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How much of a problem is this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How much of a problem is this ringing, roaring, or buzzing in {your/his/her} ears or head? Would you say... — Audiometry (Questionnaire)
AUQ300Compatible with harmonization

This next question is about {your/SP's} use of firearms that {you/he/she} may have used for target shooting, hunting, for {your/his/her} job or in military service. {Have you/Has SP} ever used firearms for any reason?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • This next question is about {your/SP's} use of firearms that {you/he/she} may have used for target shooting, hunting, for {your/his/her} job or in military service. {Have you/Has SP} ever used firearms for any reason?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — This next question is about {your/SP's} use of firearms that {you/he/she} may have used for target shooting, hunting, for {your/his/her} job or in military service. {Have you/Has SP} ever used firearms for any reason? — Audiometry (Questionnaire)
AUQ310Compatible with harmonization

How many total rounds {have you/has SP} ever fired?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How many total rounds {have you/has SP} ever fired?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How many total rounds {have you/has SP} ever fired? — Audiometry (Questionnaire)
AUQ320Compatible with harmonization

How often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when shooting firearms?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • How often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when shooting firearms?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — How often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when shooting firearms? — Audiometry (Questionnaire)
AUQ331Evidence developing

These next questions are about noise exposure at work. First we are going to ask about loud noise. Loud means so loud that {you/s/he} must speak in a raised voice to be heard by someone three feet away when not using hearing protection. After that we will ask about very loud noise. Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her} when not using hearing protection. {Have you/Has SP} ever had a job, or combination of jobs where {you were/s/he was} exposed to loud sounds or noise for 4 or more hours a day, several days a week? (Loud means so loud that {you/s/he} must speak in a raised voice to be heard.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Evidence developing · low confidence

No normalized longitudinal change evidence is available for this variable. Absence of events must not be interpreted as proof of cross-cycle equivalence.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Variable names / labels over time
  • These next questions are about noise exposure at work. First we are going to ask about loud noise. Loud means so loud that {you/s/he} must speak in a raised voice to be heard by someone three feet away when not using hearing protection. After that we will ask about very loud noise. Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her} when not using hearing protection. {Have you/Has SP} ever had a job, or combination of jobs where {you were/s/he was} exposed to loud sounds or noise for 4 or more hours a day, several days a week? (Loud means so loud that {you/s/he} must speak in a raised voice to be heard.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — These next questions are about noise exposure at work. First we are going to ask about loud noise. Loud means so loud that {you/s/he} must speak in a raised voice to be heard by someone three feet away when not using hearing protection. After that we will ask about very loud noise. Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her} when not using hearing protection. {Have you/Has SP} ever had a job, or combination of jobs where {you were/s/he was} exposed to loud sounds or noise for 4 or more hours a day, several days a week? (Loud means so loud that {you/s/he} must speak in a raised voice to be heard.) — Audiometry (Questionnaire)
AUQ340Compatible with harmonization

For how many months or years {have you/has SP} been exposed at work to loud sounds or noise for 4 or more hours a day, several days a week?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • For how many months or years {have you/has SP} been exposed at work to loud sounds or noise for 4 or more hours a day, several days a week?2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — For how many months or years {have you/has SP} been exposed at work to loud sounds or noise for 4 or more hours a day, several days a week? — Audiometry (Questionnaire)
AUQ350Compatible with harmonization

In {your/SP's} work {were you/was he/was she} exposed to very loud noise? (Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her}.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • In {your/SP's} work {were you/was he/was she} exposed to very loud noise? (Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her}.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — In {your/SP's} work {were you/was he/was she} exposed to very loud noise? (Very loud noise is noise that is so loud {you have/he has/she has} to shout in order to be understood by someone standing 3 feet away from {you/him/her}.) — Audiometry (Questionnaire)
AUQ361Evidence developing

Please give me the total number of moths or years for all jobs where this has happened.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Evidence developing · low confidence

No normalized longitudinal change evidence is available for this variable. Absence of events must not be interpreted as proof of cross-cycle equivalence.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Variable names / labels over time
  • Please give me the total number of moths or years for all jobs where this has happened.2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — Please give me the total number of moths or years for all jobs where this has happened. — Audiometry (Questionnaire)
AUQ370Compatible with harmonization

Outside of a job, {have you/has SP} ever been exposed to very loud noise or music for 10 or more hours a week? This is noise so loud that {you have/s/he has} to shout to be understood or heard 3 feet away. Examples are noise from power tools, lawn mowers, farm machinery, cars, trucks, motorcycles, motor boats or loud music.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Outside of a job, {have you/has SP} ever been exposed to very loud noise or music for 10 or more hours a week? This is noise so loud that {you have/s/he has} to shout to be understood or heard 3 feet away. Examples are noise from power tools, lawn mowers, farm machinery, cars, trucks, motorcycles, motor boats or loud music.2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — Outside of a job, {have you/has SP} ever been exposed to very loud noise or music for 10 or more hours a week? This is noise so loud that {you have/s/he has} to shout to be understood or heard 3 feet away. Examples are noise from power tools, lawn mowers, farm machinery, cars, trucks, motorcycles, motor boats or loud music. — Audiometry (Questionnaire)
AUQ381Evidence developing

In the past 12 months, how often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when exposed to very loud sounds or noise outside of work? {Do not include the noise from firearms we already talked about.}

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified Praxis harmonization assessment

Evidence developing · low confidence

No normalized longitudinal change evidence is available for this variable. Absence of events must not be interpreted as proof of cross-cycle equivalence.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Variable names / labels over time
  • In the past 12 months, how often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when exposed to very loud sounds or noise outside of work? {Do not include the noise from firearms we already talked about.}2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUQ_I — In the past 12 months, how often {did you/did SP} wear hearing protection devices (ear plugs, ear muffs) when exposed to very loud sounds or noise outside of work? {Do not include the noise from firearms we already talked about.} — Audiometry (Questionnaire)
AUXLOABNCompatible with harmonization

Other Exam Abnormality, Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Other Exam Abnormality, Left Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Other Exam Abnormality, Left Ear — Audiometry (Examination)
AUXLOCOLCompatible with harmonization

Collapsing Ear Canal, Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Collapsing Ear Canal, Left Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Collapsing Ear Canal, Left Ear — Audiometry (Examination)
AUXLOEXCCompatible with harmonization

Excessive Cerumen, Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Excessive Cerumen, Left Ear2015-2016
Cycle-by-cycle release history
AUXLOIMCCompatible with harmonization

Impacted Cerumen, Left Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Impacted Cerumen, Left Ear2015-2016
Cycle-by-cycle release history
AUXOTSPLCompatible with harmonization

Normal: Left Ear Otoscopy

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Normal: Left Ear Otoscopy2015-2016
Cycle-by-cycle release history
AUXR1K1LCompatible with harmonization

Left retest threshold @ 1000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 1000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 1000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR1K1RCompatible with harmonization

Right retest threshold @ 1000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 1000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 1000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR1K2LCompatible with harmonization

Left retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level) — Audiometry (Examination)
AUXR1K2RCompatible with harmonization

Right retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 1000Hz, (second reading) in decibels (Hearing Level) — Audiometry (Examination)
AUXR2KLCompatible with harmonization

Left retest threshold @ 2000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 2000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 2000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR2KRCompatible with harmonization

Right retest threshold @ 2000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 2000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 2000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR3KLCompatible with harmonization

Left retest threshold @ 3000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 3000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 3000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR3KRCompatible with harmonization

Right retest threshold @ 3000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 3000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 3000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR4KLCompatible with harmonization

Left retest threshold @ 4000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 4000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 4000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR4KRCompatible with harmonization

Right retest threshold @ 4000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 4000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 4000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR5CLCompatible with harmonization

Left retest threshold @ 500Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 500Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 500Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR5CRCompatible with harmonization

Right retest threshold @ 500Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 500Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 500Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR6KLCompatible with harmonization

Left retest threshold @ 6000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 6000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 6000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR6KRCompatible with harmonization

Right retest threshold @ 6000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 6000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 6000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR8KLCompatible with harmonization

Left retest threshold @ 8000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left retest threshold @ 8000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left retest threshold @ 8000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXR8KRCompatible with harmonization

Right retest threshold @ 8000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right retest threshold @ 8000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right retest threshold @ 8000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXROABNCompatible with harmonization

Other Exam Abnormality, Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Other Exam Abnormality, Right Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Other Exam Abnormality, Right Ear — Audiometry (Examination)
AUXROCOLCompatible with harmonization

Collapsing Ear Canal, Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Collapsing Ear Canal, Right Ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Collapsing Ear Canal, Right Ear — Audiometry (Examination)
AUXROEXCCompatible with harmonization

Excessive Cerumen, Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Excessive Cerumen, Right Ear2015-2016
Cycle-by-cycle release history
AUXROIMCCompatible with harmonization

Impacted Cerumen, Right Ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Impacted Cerumen, Right Ear2015-2016
Cycle-by-cycle release history
AUXROTSPCompatible with harmonization

Normal: Right Ear Otoscopy

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Normal: Right Ear Otoscopy2015-2016
Cycle-by-cycle release history
AUXTCOMLCompatible with harmonization

Compliance (tympanometry), left ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Compliance (tympanometry), left ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Compliance (tympanometry), left ear — Audiometry (Examination)
AUXTCOMRCompatible with harmonization

Compliance (tympanometry), right ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Compliance (tympanometry), right ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Compliance (tympanometry), right ear — Audiometry (Examination)
AUXTMEPLCompatible with harmonization

Middle ear pressure (tympanometry), left ear, in daPa (dekaPascals)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Middle ear pressure (tympanometry), left ear, in daPa (dekaPascals)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Middle ear pressure (tympanometry), left ear, in daPa (dekaPascals) — Audiometry (Examination)
AUXTMEPRCompatible with harmonization

Middle ear pressure (tympanometry), right ear, in daPa (dekaPascals)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Middle ear pressure (tympanometry), right ear, in daPa (dekaPascals)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Middle ear pressure (tympanometry), right ear, in daPa (dekaPascals) — Audiometry (Examination)
AUXTPVLCompatible with harmonization

Physical volume (tympanometry), left ear, in cc

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Physical volume (tympanometry), left ear, in cc2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Physical volume (tympanometry), left ear, in cc — Audiometry (Examination)
AUXTPVRCompatible with harmonization

Physical volume (tympanometry), right ear, in cc

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Physical volume (tympanometry), right ear, in cc2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Physical volume (tympanometry), right ear, in cc — Audiometry (Examination)
AUXTWIDLCompatible with harmonization

Tympanometric width, left ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Tympanometric width, left ear2015-2016
Cycle-by-cycle release history
AUXTWIDRCompatible with harmonization

Tympanometric width, right ear

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Tympanometric width, right ear2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Tympanometric width, right ear — Audiometry (Examination)
AUXU1K1LCompatible with harmonization

Left threshold @ 1000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 1000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 1000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU1K1RCompatible with harmonization

Right threshold @ 1000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 1000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 1000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU1K2LCompatible with harmonization

Left threshold @ 1000Hz (second reading) in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 1000Hz (second reading) in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 1000Hz (second reading) in decibels (Hearing Level) — Audiometry (Examination)
AUXU1K2RCompatible with harmonization

Right threshold @ 1000Hz (second reading) in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 1000Hz (second reading) in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 1000Hz (second reading) in decibels (Hearing Level) — Audiometry (Examination)
AUXU2KLCompatible with harmonization

Left threshold @ 2000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 2000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 2000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU2KRCompatible with harmonization

Right threshold @ 2000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 2000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 2000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU3KLCompatible with harmonization

Left threshold @ 3000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 3000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 3000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU3KRCompatible with harmonization

Right threshold @ 3000Hz in decibels (Hearing Levels)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 3000Hz in decibels (Hearing Levels)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 3000Hz in decibels (Hearing Levels) — Audiometry (Examination)
AUXU4KLCompatible with harmonization

Left threshold @ 4000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 4000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 4000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU4KRCompatible with harmonization

Right threshold @ 4000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 4000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 4000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU500LCompatible with harmonization

Left threshold @ 500Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 500Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 500Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU500RCompatible with harmonization

Right threshold @ 500Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 500Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 500Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU6KLCompatible with harmonization

Left threshold @ 6000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 6000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 6000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU6KRCompatible with harmonization

Right threshold @ 6000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 6000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 6000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU8KLCompatible with harmonization

Left threshold @ 8000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Left threshold @ 8000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Left threshold @ 8000Hz in decibels (Hearing Level) — Audiometry (Examination)
AUXU8KRCompatible with harmonization

Right threshold @ 8000Hz in decibels (Hearing Level)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Select the weight appropriate to each cycle and subsample; when pooling cycles, construct the combined weight according to NHANES guidance rather than reusing a single-cycle weight unchanged.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
  • Apply cycle-specific eligibility rules and restrict the pooled analytic population to a defensible common target population.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Right threshold @ 8000Hz in decibels (Hearing Level)2015-2016
Cycle-by-cycle release history
  • 2015-2016: AUX_I — Right threshold @ 8000Hz in decibels (Hearing Level) — Audiometry (Examination)
BMDAVSADCompatible with harmonization

Average Sagittal Abdominal Diameter (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Average Sagittal Abdominal Diameter (cm)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Average Sagittal Abdominal Diameter (cm) — Body Measures (Examination)
BMDBMICCompatible with harmonization

BMI Category - Children/Youth

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Confirm that the construct and coding are unchanged before pooling or recoding.
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • BMI Category - Children/Youth2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — BMI Category - Children/Youth — Body Measures (Examination)
BMDSADCMCompatible with harmonization

Sagittal Abdominal Diameter Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Sagittal Abdominal Diameter Comment2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Sagittal Abdominal Diameter Comment — Body Measures (Examination)
BMDSTATSCompatible with harmonization

Body Measures Component status Code

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Body Measures Component status Code2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Body Measures Component status Code — Body Measures (Examination)
BMIARMCCompatible with harmonization

Arm Circumference Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Arm Circumference Comment2015-2016
Cycle-by-cycle release history
BMIARMLCompatible with harmonization

Upper Arm Length Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified Praxis harmonization assessment

Compatible with harmonization · moderate confidence

No blocking method discontinuity is identified inside the selected cycle span, but one or more longitudinal changes require explicit harmonization conditions before pooling.

Evidence provenance: Praxis automated inference from indexed CDC/NCHS evidence

Relevant boundaries: 1999-2000 → 2001-2002 · 2001-2002 → 2003-2004 · 2003-2004 → 2005-2006 · 2005-2006 → 2007-2008 · 2007-2008 → 2009-2010 · 2009-2010 → 2011-2012 · 2011-2012 → 2013-2014 · 2013-2014 → 2015-2016 · 2015-2016 → 2017-2018 · 2017-2018 → 2017-2020 · 2017-2020 → 2021-2023

Praxis harmonization actions
  • Verify merge grain, companion variables, and component-specific analytic guidance for the new file context.
  • Review the adjacent codebooks/methods. Keep this boundary as documentation variation unless source evidence confirms a substantive method or instrument change.
Supporting CDC/NCHS evidence
Variable names / labels over time
  • Upper Arm Length Comment2015-2016
Cycle-by-cycle release history
BMIHEADIndexed code and label stable

Head Circumference Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Head Circumference Comment2015-2016
Cycle-by-cycle release history
BMIHTIndexed code and label stable

Standing Height Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Standing Height Comment2015-2016
Cycle-by-cycle release history
BMILEGIndexed code and label stable

Upper Leg Length Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Upper Leg Length Comment2015-2016
Cycle-by-cycle release history
BMIRECUMIndexed code and label stable

Recumbent Length Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Recumbent Length Comment2015-2016
Cycle-by-cycle release history
BMIWAISTIndexed code and label stable

Waist Circumference Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Waist Circumference Comment2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Waist Circumference Comment — Body Measures (Examination)
BMIWTIndexed code and label stable

Weight Comment

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Weight Comment2015-2016
Cycle-by-cycle release history
BMXARMCIndexed code and label stable

Arm Circumference (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Arm Circumference (cm)2015-2016
Cycle-by-cycle release history
BMXARMLIndexed code and label stable

Upper Arm Length (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Upper Arm Length (cm)2015-2016
Cycle-by-cycle release history
BMXBMIPraxis evidence enriched

Body Mass Index (kg/m**2)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Supporting source-evidence notes

Method documentation varies across releases. Praxis flags the affected boundaries for review without automatically calling them scientific method changes.

These notes summarize indexed evidence and method-text signals. They do not supersede the qualified harmonization assessment above.

Documented weight variables
No explicit weight captured
Units observed
Not stated / categorical
Enriched releases
12
Method-change status
documentation varies
Method-change assessment

Method documentation varies across cycles

Method documentation or comparability language varies across releases, but Praxis has not confirmed a substantive method change from the captured text alone. Review the flagged boundaries before pooling.

Releases with method evidence
12
Flagged method boundaries
11
Assessment status
Method documentation varies across cycles
Inference rule
Documentation differences ≠ confirmed method changes
Method / instrument change points and harmonization actions
  • 1999-2000 → 2001-2002: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2001-2002 → 2003-2004: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2003-2004 → 2005-2006: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2005-2006 → 2007-2008: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2007-2008 → 2009-2010: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2009-2010 → 2011-2012: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2011-2012 → 2013-2014: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2013-2014 → 2015-2016: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2015-2016 → 2017-2018: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2017-2018 → 2017-2020: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
  • 2017-2020 → 2021-2023: Documentation changed — method change not yet confirmed · Evidence: automated documentation comparison. The captured CDC/NCHS method documentation differs from the preceding enriched release. Praxis does not treat a text difference alone as proof that the scientific method changed.
    Harmonization action: Review the linked source documents before pooling across this boundary. Until a substantive method/instrument change is confirmed, classify this as documentation variation rather than a scientific discontinuity. Review source
Cycle-by-cycle method chronology
  • 1999-2000: BMX — Data Collection Methods The data collection methods, examination protocol, and data collection forms are fully documented in the Anthropometry Procedures Manual. Examination Protocol See Item 3 above. In addition, for general guidelines on standard procedures that were followed for the anthropometric measures, refer to the Anthropometric Standardization Reference manual (Lohman, 1988). For specific guidelines, the Anthropometric Procedures Video that demonstrates the NHANES III anthropometric p…
  • 2001-2002: BMX_B — The data collection methods, examination protocol, and data collection forms are fully documented in the NHANES Anthropometry Procedures Manual. In addition, for general guidelines on standard procedures that were followed for the anthropometric measures, please refer to the Anthropometric Standardization Reference Manual (Lohman, 1988). The actual measurement techniques used in the survey are illustrated in the NHANES III Anthropometric Procedures Video. The video demonstrates the NHANES III a…
  • 2003-2004: BMX_C — The body measurement assessments performed on survey participants varied according to the age of the survey participant. The body measurement protocol used age at the time of the screening interview. In some instances, several weeks elapsed between the initial screening interview and the health examination visit. The Demographics Data File includes an age variable for age at examination (RIDAGEEX). Arm and leg measurements were made on the right side of the body. If an examinee had an amputatio…
  • 2005-2006: BMX_D — The body measurement data were collected by trained health technicians. The health technician was accompanied by a recorder during each body measurement examination. The respondent’s age, at the time of the screening interview, determined the body measurement examination protocol for survey participants. In some instances, several weeks elapsed between the initial screening interview and the health examination. The Demographics data file includes variables for age at screening (RIDAGEYR and RID…
  • 2007-2008: BMX_E — The body measurement data were collected by trained health technicians. The health technician was assisted by a recorder during the body measurement examination. The respondent’s age at the time of the screening interview determined the body measurement examination protocol for survey participants. In some instances the age at screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables for age at screening (RIDAGEYR …
  • 2009-2010: BMX_F — The body measurement data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measurement examination. The respondent’s age at the time of the screening interview determined the body measurement examination protocol for survey participants. In some instances the age at screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes …
  • 2011-2012: BMX_G — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables for age in years …
  • 2013-2014: BMX_H — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables for age in years …
  • 2015-2016: BMX_I — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables for age in years …
  • 2017-2018: BMX_J — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables for age in years …
  • 2017-2020: P_BMX — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables age in years at s…
  • 2021-2023: BMX_L — The body measures data were collected, in the Mobile Examination Center (MEC), by trained health technicians. The health technician was assisted by a recorder during the body measures examination. The participant’s age at the time of the screening interview determined the body measures examination protocol. In some instances, the age at the screening interview and age at the time of the health examination differed by several weeks. The Demographics data file includes variables age in years at s…
Praxis-enriched cycle evidence
  • 1999-2000: BMX · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2001-2002: BMX_B · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2003-2004: BMX_C · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2005-2006: BMX_D · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2007-2008: BMX_E · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2009-2010: BMX_F · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2011-2012: BMX_G · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2013-2014: BMX_H · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2015-2016: BMX_I · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2017-2018: BMX_J · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2017-2020: P_BMX · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
  • 2021-2023: BMX_L · Target: Both males and females 2 YEARS - 150 YEARS · Method evidence captured
Variable names / labels over time
  • Body Mass Index (kg/m**2)2015-2016
Cycle-by-cycle release history
BMXHEADIndexed code and label stable

Head Circumference (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Head Circumference (cm)2015-2016
Cycle-by-cycle release history
BMXHTIndexed code and label stable

Standing Height (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Standing Height (cm)2015-2016
Cycle-by-cycle release history
BMXLEGIndexed code and label stable

Upper Leg Length (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Upper Leg Length (cm)2015-2016
Cycle-by-cycle release history
BMXRECUMIndexed code and label stable

Recumbent Length (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Recumbent Length (cm)2015-2016
Cycle-by-cycle release history
BMXSAD1Indexed code and label stable

Sagittal Abdominal Diameter 1st (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Sagittal Abdominal Diameter 1st (cm)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Sagittal Abdominal Diameter 1st (cm) — Body Measures (Examination)
BMXSAD2Indexed code and label stable

Sagittal Abdominal Diameter 2nd (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Sagittal Abdominal Diameter 2nd (cm)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Sagittal Abdominal Diameter 2nd (cm) — Body Measures (Examination)
BMXSAD3Indexed code and label stable

Sagittal Abdominal Diameter 3rd (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Sagittal Abdominal Diameter 3rd (cm)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Sagittal Abdominal Diameter 3rd (cm) — Body Measures (Examination)
BMXSAD4Indexed code and label stable

Sagittal Abdominal Diameter 4th (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Sagittal Abdominal Diameter 4th (cm)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BMX_I — Sagittal Abdominal Diameter 4th (cm) — Body Measures (Examination)
BMXWAISTIndexed code and label stable

Waist Circumference (cm)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Waist Circumference (cm)2015-2016
Cycle-by-cycle release history
BMXWTIndexed code and label stable

Weight (kg)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Weight (kg)2015-2016
Cycle-by-cycle release history
BPAARMIndexed code and label stable

Arm selected:

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Arm selected:2015-2016
Cycle-by-cycle release history
BPACSZIndexed code and label stable

Cuff size (cm) (width X length)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Cuff size (cm) (width X length)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Cuff size (cm) (width X length) — Blood Pressure (Examination)
BPAEN1Indexed code and label stable

Enhancement used first reading

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Enhancement used first reading2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Enhancement used first reading — Blood Pressure (Examination)
BPAEN2Indexed code and label stable

Enhancement used second reading

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Enhancement used second reading2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Enhancement used second reading — Blood Pressure (Examination)
BPAEN3Indexed code and label stable

Enhancement used third reading

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Enhancement used third reading2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Enhancement used third reading — Blood Pressure (Examination)
BPAEN4Indexed code and label stable

Enhancement used fourth reading

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Enhancement used fourth reading2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Enhancement used fourth reading — Blood Pressure (Examination)
BPD035Indexed code and label stable

How old {were you/was SP} when {you were/he/she was} first told that {you/he/she} had hypertension or high blood pressure?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How old {were you/was SP} when {you were/he/she was} first told that {you/he/she} had hypertension or high blood pressure?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — How old {were you/was SP} when {you were/he/she was} first told that {you/he/she} had hypertension or high blood pressure? — Blood Pressure & Cholesterol (Questionnaire)
BPQ020Indexed code and label stable

{Have you/Has SP} ever been told by a doctor or other health professional that {you/s/he} had hypertension, also called high blood pressure?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} ever been told by a doctor or other health professional that {you/s/he} had hypertension, also called high blood pressure?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — {Have you/Has SP} ever been told by a doctor or other health professional that {you/s/he} had hypertension, also called high blood pressure? — Blood Pressure & Cholesterol (Questionnaire)
BPQ030Indexed code and label stable

{Were you/Was SP} told on 2 or more different visits that {you/s/he} had hypertension, also called high blood pressure?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Were you/Was SP} told on 2 or more different visits that {you/s/he} had hypertension, also called high blood pressure?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — {Were you/Was SP} told on 2 or more different visits that {you/s/he} had hypertension, also called high blood pressure? — Blood Pressure & Cholesterol (Questionnaire)
BPQ040AIndexed code and label stable

Because of {your/SP's} (high blood pressure/hypertension), {have you/has s/he} ever been told to . . . take prescribed medicine?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Because of {your/SP's} (high blood pressure/hypertension), {have you/has s/he} ever been told to . . . take prescribed medicine?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — Because of {your/SP's} (high blood pressure/hypertension), {have you/has s/he} ever been told to . . . take prescribed medicine? — Blood Pressure & Cholesterol (Questionnaire)
BPQ050AIndexed code and label stable

HELP AVAILABLE (Are you/Is SP) now taking prescribed medicine

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • HELP AVAILABLE (Are you/Is SP) now taking prescribed medicine2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — HELP AVAILABLE (Are you/Is SP) now taking prescribed medicine — Blood Pressure & Cholesterol (Questionnaire)
BPQ060Indexed code and label stable

{Have you/Has SP} ever had {your/his/her} blood cholesterol checked?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} ever had {your/his/her} blood cholesterol checked?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — {Have you/Has SP} ever had {your/his/her} blood cholesterol checked? — Blood Pressure & Cholesterol (Questionnaire)
BPQ070Indexed code and label stable

About how long has it been since {you/SP} last had {your/his/her} blood cholesterol checked? Has it been...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • About how long has it been since {you/SP} last had {your/his/her} blood cholesterol checked? Has it been...2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — About how long has it been since {you/SP} last had {your/his/her} blood cholesterol checked? Has it been... — Blood Pressure & Cholesterol (Questionnaire)
BPQ080Indexed code and label stable

{Have you/Has SP} ever been told by a doctor or other health professional that {your/his/her} blood cholesterol level was high?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} ever been told by a doctor or other health professional that {your/his/her} blood cholesterol level was high?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — {Have you/Has SP} ever been told by a doctor or other health professional that {your/his/her} blood cholesterol level was high? — Blood Pressure & Cholesterol (Questionnaire)
BPQ090DIndexed code and label stable

[To lower (your/his/her) blood cholesterol, (have/has) (you/SP) ever been told by a doctor or other health professional]... to take prescribed medicine?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • [To lower (your/his/her) blood cholesterol, (have/has) (you/SP) ever been told by a doctor or other health professional]... to take prescribed medicine?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — [To lower (your/his/her) blood cholesterol, (have/has) (you/SP) ever been told by a doctor or other health professional]... to take prescribed medicine? — Blood Pressure & Cholesterol (Questionnaire)
BPQ100DIndexed code and label stable

(Are you/Is SP) now following this advice to take prescribed medicine?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • (Are you/Is SP) now following this advice to take prescribed medicine?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPQ_I — (Are you/Is SP) now following this advice to take prescribed medicine? — Blood Pressure & Cholesterol (Questionnaire)
BPXCHRIndexed code and label stable

60 sec HR (30 sec HR * 2)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • 60 sec HR (30 sec HR * 2)2015-2016
Cycle-by-cycle release history
BPXDI1Indexed code and label stable

Diastolic: Blood pressure (first reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Diastolic: Blood pressure (first reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Diastolic: Blood pressure (first reading) mm Hg — Blood Pressure (Examination)
BPXDI2Indexed code and label stable

Diastolic: Blood pressure (second reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Diastolic: Blood pressure (second reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Diastolic: Blood pressure (second reading) mm Hg — Blood Pressure (Examination)
BPXDI3Indexed code and label stable

Diastolic: Blood pressure (third reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Diastolic: Blood pressure (third reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Diastolic: Blood pressure (third reading) mm Hg — Blood Pressure (Examination)
BPXDI4Indexed code and label stable

Diastolic: Blood pressure (fourth reading if necessary) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Diastolic: Blood pressure (fourth reading if necessary) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Diastolic: Blood pressure (fourth reading if necessary) mm Hg — Blood Pressure (Examination)
BPXML1Indexed code and label stable

MIL: maximum inflation levels (mm Hg)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • MIL: maximum inflation levels (mm Hg)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — MIL: maximum inflation levels (mm Hg) — Blood Pressure (Examination)
BPXPLSIndexed code and label stable

60 sec. pulse (30 sec. pulse * 2)

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • 60 sec. pulse (30 sec. pulse * 2)2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — 60 sec. pulse (30 sec. pulse * 2) — Blood Pressure (Examination)
BPXPTYIndexed code and label stable

Pulse type

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Pulse type2015-2016
Cycle-by-cycle release history
BPXPULSIndexed code and label stable

Pulse regular or irregular?

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Pulse regular or irregular?2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Pulse regular or irregular? — Blood Pressure (Examination)
BPXSY1Indexed code and label stable

Systolic: Blood pressure (first reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Systolic: Blood pressure (first reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Systolic: Blood pressure (first reading) mm Hg — Blood Pressure (Examination)
BPXSY2Indexed code and label stable

Systolic: Blood pressure (second reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Systolic: Blood pressure (second reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Systolic: Blood pressure (second reading) mm Hg — Blood Pressure (Examination)
BPXSY3Indexed code and label stable

Systolic: Blood pressure (third reading) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Systolic: Blood pressure (third reading) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Systolic: Blood pressure (third reading) mm Hg — Blood Pressure (Examination)
BPXSY4Indexed code and label stable

Systolic: Blood pressure (fourth reading if necessary) mm Hg

Observed years
20152016
Release records
1
Datasets
1
Components
Examination
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Systolic: Blood pressure (fourth reading if necessary) mm Hg2015-2016
Cycle-by-cycle release history
  • 2015-2016: BPX_I — Systolic: Blood pressure (fourth reading if necessary) mm Hg — Blood Pressure (Examination)
CBD071Indexed code and label stable

The next questions are about how much money {your family spends/you spend} on food. First I'll ask you about money spent at supermarkets or grocery stores. Then we will talk about money spent at other types of stores. When you answer these questions, please do not include money spent on alcoholic beverages. During the past 30 days, how much money {did your family/did you} spend at supermarkets or grocery stores? Please include purchases made with food stamps. (You can tell me per week or per month.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The next questions are about how much money {your family spends/you spend} on food. First I'll ask you about money spent at supermarkets or grocery stores. Then we will talk about money spent at other types of stores. When you answer these questions, please do not include money spent on alcoholic beverages. During the past 30 days, how much money {did your family/did you} spend at supermarkets or grocery stores? Please include purchases made with food stamps. (You can tell me per week or per month.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: CBQ_I — The next questions are about how much money {your family spends/you spend} on food. First I'll ask you about money spent at supermarkets or grocery stores. Then we will talk about money spent at other types of stores. When you answer these questions, please do not include money spent on alcoholic beverages. During the past 30 days, how much money {did your family/did you} spend at supermarkets or grocery stores? Please include purchases made with food stamps. (You can tell me per week or per month.) — Consumer Behavior (Questionnaire)
CBD091Indexed code and label stable

About how much money was spent on nonfood items? (You can tell me per week or per month.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • About how much money was spent on nonfood items? (You can tell me per week or per month.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: CBQ_I — About how much money was spent on nonfood items? (You can tell me per week or per month.) — Consumer Behavior (Questionnaire)
CBD111Indexed code and label stable

About how much money {did your family/did you} spend on food at these types of stores? Please do not include money you have already told me about. (You can tell me per week or per month.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • About how much money {did your family/did you} spend on food at these types of stores? Please do not include money you have already told me about. (You can tell me per week or per month.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: CBQ_I — About how much money {did your family/did you} spend on food at these types of stores? Please do not include money you have already told me about. (You can tell me per week or per month.) — Consumer Behavior (Questionnaire)
CBD121Indexed code and label stable

During the past 30 days, how much money {did your family/did you} spend on eating out? Please include money spent in cafeterias at work or at school or on vending machines, for all family members. (You can tell me per week or per month.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the past 30 days, how much money {did your family/did you} spend on eating out? Please include money spent in cafeterias at work or at school or on vending machines, for all family members. (You can tell me per week or per month.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: CBQ_I — During the past 30 days, how much money {did your family/did you} spend on eating out? Please include money spent in cafeterias at work or at school or on vending machines, for all family members. (You can tell me per week or per month.) — Consumer Behavior (Questionnaire)
CBD131Indexed code and label stable

During the past 30 days, how much money {did your family/did you} spend on food carried out or delivered? Please do not include money you have already told me about. (You can tell me per week or per month.)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the past 30 days, how much money {did your family/did you} spend on food carried out or delivered? Please do not include money you have already told me about. (You can tell me per week or per month.)2015-2016
Cycle-by-cycle release history
  • 2015-2016: CBQ_I — During the past 30 days, how much money {did your family/did you} spend on food carried out or delivered? Please do not include money you have already told me about. (You can tell me per week or per month.) — Consumer Behavior (Questionnaire)
CBQ505Indexed code and label stable

{I'll tell you when you will need it.} For the first few questions, please answer yes or no. In the past 12 months, did you buy food from fast food or pizza places? SP interview version: In the past 12 months, did {you/SP} buy food from fast food or pizza places?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {I'll tell you when you will need it.} For the first few questions, please answer yes or no. In the past 12 months, did you buy food from fast food or pizza places? SP interview version: In the past 12 months, did {you/SP} buy food from fast food or pizza places?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {I'll tell you when you will need it.} For the first few questions, please answer yes or no. In the past 12 months, did you buy food from fast food or pizza places? SP interview version: In the past 12 months, did {you/SP} buy food from fast food or pizza places? — Diet Behavior & Nutrition (Questionnaire)
CBQ535Indexed code and label stable

The last time when you ate out or bought food at a fast-food or pizza place, did you see nutrition or health information about any foods on the menu? SP interview version: The last time when {you/SP} ate out or bought food at a fast-food or pizza place, did {you/he/she} see nutrition or health information about any foods on the menu?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The last time when you ate out or bought food at a fast-food or pizza place, did you see nutrition or health information about any foods on the menu? SP interview version: The last time when {you/SP} ate out or bought food at a fast-food or pizza place, did {you/he/she} see nutrition or health information about any foods on the menu?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — The last time when you ate out or bought food at a fast-food or pizza place, did you see nutrition or health information about any foods on the menu? SP interview version: The last time when {you/SP} ate out or bought food at a fast-food or pizza place, did {you/he/she} see nutrition or health information about any foods on the menu? — Diet Behavior & Nutrition (Questionnaire)
CBQ540Indexed code and label stable

Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy? — Diet Behavior & Nutrition (Questionnaire)
CBQ545Indexed code and label stable

{Please open your hand card booklet and turn to hand card 1 to answer the next question.} If nutrition or health information were readily available in fast food or pizza places, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in fast food or pizza places, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Please open your hand card booklet and turn to hand card 1 to answer the next question.} If nutrition or health information were readily available in fast food or pizza places, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in fast food or pizza places, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Please open your hand card booklet and turn to hand card 1 to answer the next question.} If nutrition or health information were readily available in fast food or pizza places, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in fast food or pizza places, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order? — Diet Behavior & Nutrition (Questionnaire)
CBQ550Indexed code and label stable

[For the following questions, please answer yes or no.] In the past 12 months, did you eat at a restaurant with waiter or waitress service? SP interview version: In the past 12 months, did {you/SP} eat at a restaurant with waiter or waitress service?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • [For the following questions, please answer yes or no.] In the past 12 months, did you eat at a restaurant with waiter or waitress service? SP interview version: In the past 12 months, did {you/SP} eat at a restaurant with waiter or waitress service?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — [For the following questions, please answer yes or no.] In the past 12 months, did you eat at a restaurant with waiter or waitress service? SP interview version: In the past 12 months, did {you/SP} eat at a restaurant with waiter or waitress service? — Diet Behavior & Nutrition (Questionnaire)
CBQ552Indexed code and label stable

Think about the last time {you/SP} ate at a restaurant with a waiter or waitress. Is it a chain-restaurant?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Think about the last time {you/SP} ate at a restaurant with a waiter or waitress. Is it a chain-restaurant?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Think about the last time {you/SP} ate at a restaurant with a waiter or waitress. Is it a chain-restaurant? — Diet Behavior & Nutrition (Questionnaire)
CBQ580Indexed code and label stable

The last time you ate at a restaurant with a waiter or waitress, did you see nutrition or health information about any foods on the menu? SP interview version: Did {you/SP} see nutrition or health information about any foods on the menu?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The last time you ate at a restaurant with a waiter or waitress, did you see nutrition or health information about any foods on the menu? SP interview version: Did {you/SP} see nutrition or health information about any foods on the menu?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — The last time you ate at a restaurant with a waiter or waitress, did you see nutrition or health information about any foods on the menu? SP interview version: Did {you/SP} see nutrition or health information about any foods on the menu? — Diet Behavior & Nutrition (Questionnaire)
CBQ585Indexed code and label stable

Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Did you use the information in deciding which foods to buy? SP interview version: Did {you/SP} use the information in deciding which foods to buy? — Diet Behavior & Nutrition (Questionnaire)
CBQ590Indexed code and label stable

{Please look at hand card 1 [again].} If nutrition information were readily available in restaurants with a waiter or waitress, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in restaurants with a waiter or waitress, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Please look at hand card 1 [again].} If nutrition information were readily available in restaurants with a waiter or waitress, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in restaurants with a waiter or waitress, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Please look at hand card 1 [again].} If nutrition information were readily available in restaurants with a waiter or waitress, would you use it often, sometimes, rarely, or never, in deciding what to order? SP interview version: If nutrition or health information were readily available in restaurants with a waiter or waitress, would {you/SP} use it often, sometimes, rarely, or never, in deciding what to order? — Diet Behavior & Nutrition (Questionnaire)
CBQ596Indexed code and label stable

Next I'm going to ask a few questions about the nutritional guidelines recommended for Americans by the federal government. {Have you/Has SP} heard of My Plate?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Next I'm going to ask a few questions about the nutritional guidelines recommended for Americans by the federal government. {Have you/Has SP} heard of My Plate?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Next I'm going to ask a few questions about the nutritional guidelines recommended for Americans by the federal government. {Have you/Has SP} heard of My Plate? — Diet Behavior & Nutrition (Questionnaire)
CBQ606Indexed code and label stable

{Have you/Has SP} looked up the My Plate plan on the internet?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} looked up the My Plate plan on the internet?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Have you/Has SP} looked up the My Plate plan on the internet? — Diet Behavior & Nutrition (Questionnaire)
CBQ611Indexed code and label stable

{Have you/Has SP} tried to follow the recommendations in the My Plate plan?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} tried to follow the recommendations in the My Plate plan?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Have you/Has SP} tried to follow the recommendations in the My Plate plan? — Diet Behavior & Nutrition (Questionnaire)
CDQ001Indexed code and label stable

{Have you/Has SP} ever had any pain or discomfort in {your/her/his} chest?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} ever had any pain or discomfort in {your/her/his} chest?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — {Have you/Has SP} ever had any pain or discomfort in {your/her/his} chest? — Cardiovascular Health (Questionnaire)
CDQ002Indexed code and label stable

{Do you/Does she/Does he} get it when {you/she/he} walk uphill or hurry?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Do you/Does she/Does he} get it when {you/she/he} walk uphill or hurry?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — {Do you/Does she/Does he} get it when {you/she/he} walk uphill or hurry? — Cardiovascular Health (Questionnaire)
CDQ003Indexed code and label stable

{Do you/Does she/Does he} get it when {you/she/he} walk at an ordinary pace on level ground?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Do you/Does she/Does he} get it when {you/she/he} walk at an ordinary pace on level ground?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — {Do you/Does she/Does he} get it when {you/she/he} walk at an ordinary pace on level ground? — Cardiovascular Health (Questionnaire)
CDQ004Indexed code and label stable

What {do you/does she/does he} do if {you/she/he} get it while {you/she/he} are walking? {Do you/Does she/Does he} stop or slow down or continue at the same pace?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What {do you/does she/does he} do if {you/she/he} get it while {you/she/he} are walking? {Do you/Does she/Does he} stop or slow down or continue at the same pace?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — What {do you/does she/does he} do if {you/she/he} get it while {you/she/he} are walking? {Do you/Does she/Does he} stop or slow down or continue at the same pace? — Cardiovascular Health (Questionnaire)
CDQ005Indexed code and label stable

If {you/she/he} stand still, what happens to it? Is the pain or discomfort relieved or not relieved?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • If {you/she/he} stand still, what happens to it? Is the pain or discomfort relieved or not relieved?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — If {you/she/he} stand still, what happens to it? Is the pain or discomfort relieved or not relieved? — Cardiovascular Health (Questionnaire)
CDQ006Indexed code and label stable

How soon is the pain relieved? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How soon is the pain relieved? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — How soon is the pain relieved? Would you say... — Cardiovascular Health (Questionnaire)
CDQ008Indexed code and label stable

Have {you/she/he} ever had a severe pain across the front of {your/her/his} chest lasting for half an hour or more?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Have {you/she/he} ever had a severe pain across the front of {your/her/his} chest lasting for half an hour or more?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Have {you/she/he} ever had a severe pain across the front of {your/her/his} chest lasting for half an hour or more? — Cardiovascular Health (Questionnaire)
CDQ009AIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009BIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009CIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009DIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009EIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009FIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009GIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ009HIndexed code and label stable

Please look at this card and show me where the pain or discomfort is located.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Please look at this card and show me where the pain or discomfort is located.2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — Please look at this card and show me where the pain or discomfort is located. — Cardiovascular Health (Questionnaire)
CDQ010Indexed code and label stable

{Have you/Has SP} had shortness of breath either when hurrying on the level or walking up a slight hill?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Have you/Has SP} had shortness of breath either when hurrying on the level or walking up a slight hill?2015-2016
Cycle-by-cycle release history
  • 2015-2016: CDQ_I — {Have you/Has SP} had shortness of breath either when hurrying on the level or walking up a slight hill? — Cardiovascular Health (Questionnaire)
DBD030Indexed code and label stable

How old was {SP} when {he/she} completely stopped breastfeeding or being fed breastmilk?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How old was {SP} when {he/she} completely stopped breastfeeding or being fed breastmilk?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — How old was {SP} when {he/she} completely stopped breastfeeding or being fed breastmilk? — Diet Behavior & Nutrition (Questionnaire)
DBD041Indexed code and label stable

How old was {SP} when {he/she} was first fed formula?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How old was {SP} when {he/she} was first fed formula?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — How old was {SP} when {he/she} was first fed formula? — Diet Behavior & Nutrition (Questionnaire)
DBD050Indexed code and label stable

How old was {SP} when {he/she} completely stopped drinking formula?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How old was {SP} when {he/she} completely stopped drinking formula?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — How old was {SP} when {he/she} completely stopped drinking formula? — Diet Behavior & Nutrition (Questionnaire)
DBD055Indexed code and label stable

This next question is about the first thing that {SP} was given other than breast milk or formula. Please include juice, cow's milk, sugar water, baby food, or anything else that {SP} might have been given, even water. How old was {SP} when {he/she} was first fed anything other than breast milk or formula? (Days)

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • This next question is about the first thing that {SP} was given other than breast milk or formula. Please include juice, cow's milk, sugar water, baby food, or anything else that {SP} might have been given, even water. How old was {SP} when {he/she} was first fed anything other than breast milk or formula? (Days)2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — This next question is about the first thing that {SP} was given other than breast milk or formula. Please include juice, cow's milk, sugar water, baby food, or anything else that {SP} might have been given, even water. How old was {SP} when {he/she} was first fed anything other than breast milk or formula? (Days) — Diet Behavior & Nutrition (Questionnaire)
DBD061Indexed code and label stable

How old was {SP} when {he/she} was first fed milk?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How old was {SP} when {he/she} was first fed milk?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — How old was {SP} when {he/she} was first fed milk? — Diet Behavior & Nutrition (Questionnaire)
DBD100Indexed code and label stable

How often {do you/does SP} add ordinary salt to {your/his/her/SP's} food at the table? Would you say . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Dietary
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How often {do you/does SP} add ordinary salt to {your/his/her/SP's} food at the table? Would you say . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DR1TOT_I — How often {do you/does SP} add ordinary salt to {your/his/her/SP's} food at the table? Would you say . . . — Dietary Interview - Total Nutrient Intakes, First Day (Dietary)
DBD381Indexed code and label stable

During the school year, about how many times a week {do you/does SP} usually get a complete school lunch?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the school year, about how many times a week {do you/does SP} usually get a complete school lunch?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — During the school year, about how many times a week {do you/does SP} usually get a complete school lunch? — Diet Behavior & Nutrition (Questionnaire)
DBD411Indexed code and label stable

During the school year, about how many times a week {do you/does SP} usually get a complete breakfast at school?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the school year, about how many times a week {do you/does SP} usually get a complete breakfast at school?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — During the school year, about how many times a week {do you/does SP} usually get a complete breakfast at school? — Diet Behavior & Nutrition (Questionnaire)
DBD895Indexed code and label stable

Next I'm going to ask you about meals. By meal, I mean breakfast, lunch and dinner. During the past 7 days, how many meals {did you/did SP} get that were prepared away from home in places such as restaurants, fast food places, food stands, grocery stores, or from vending machines? {Please do not include meals provided as part of the school lunch or school breakfast./Please do not include meals provided as part of the community programs you reported earlier.}

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Next I'm going to ask you about meals. By meal, I mean breakfast, lunch and dinner. During the past 7 days, how many meals {did you/did SP} get that were prepared away from home in places such as restaurants, fast food places, food stands, grocery stores, or from vending machines? {Please do not include meals provided as part of the school lunch or school breakfast./Please do not include meals provided as part of the community programs you reported earlier.}2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Next I'm going to ask you about meals. By meal, I mean breakfast, lunch and dinner. During the past 7 days, how many meals {did you/did SP} get that were prepared away from home in places such as restaurants, fast food places, food stands, grocery stores, or from vending machines? {Please do not include meals provided as part of the school lunch or school breakfast./Please do not include meals provided as part of the community programs you reported earlier.} — Diet Behavior & Nutrition (Questionnaire)
DBD900Indexed code and label stable

How many of those meals {did you/did SP} get from a fast-food or pizza place?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • How many of those meals {did you/did SP} get from a fast-food or pizza place?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — How many of those meals {did you/did SP} get from a fast-food or pizza place? — Diet Behavior & Nutrition (Questionnaire)
DBD905Indexed code and label stable

Some grocery stores sell "ready to eat" foods such as salads, soups, chicken, sandwiches and cooked vegetables in their salad bars and deli counters. During the past 30 days, how often did {you/SP} eat "ready to eat" foods from the grocery store? Please do not include sliced meat or cheese you buy for sandwiches and frozen or canned foods.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Some grocery stores sell "ready to eat" foods such as salads, soups, chicken, sandwiches and cooked vegetables in their salad bars and deli counters. During the past 30 days, how often did {you/SP} eat "ready to eat" foods from the grocery store? Please do not include sliced meat or cheese you buy for sandwiches and frozen or canned foods.2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Some grocery stores sell "ready to eat" foods such as salads, soups, chicken, sandwiches and cooked vegetables in their salad bars and deli counters. During the past 30 days, how often did {you/SP} eat "ready to eat" foods from the grocery store? Please do not include sliced meat or cheese you buy for sandwiches and frozen or canned foods. — Diet Behavior & Nutrition (Questionnaire)
DBD910Indexed code and label stable

During the past 30 days, how often did you {SP} eat frozen meals or frozen pizzas? Here are some examples of frozen meals and frozen pizzas.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the past 30 days, how often did you {SP} eat frozen meals or frozen pizzas? Here are some examples of frozen meals and frozen pizzas.2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — During the past 30 days, how often did you {SP} eat frozen meals or frozen pizzas? Here are some examples of frozen meals and frozen pizzas. — Diet Behavior & Nutrition (Questionnaire)
DBQ010Indexed code and label stable

Now I'm going to ask you some general questions about {SP's} eating habits. Was {SP} ever breastfed or fed breastmilk?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Now I'm going to ask you some general questions about {SP's} eating habits. Was {SP} ever breastfed or fed breastmilk?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Now I'm going to ask you some general questions about {SP's} eating habits. Was {SP} ever breastfed or fed breastmilk? — Diet Behavior & Nutrition (Questionnaire)
DBQ073AIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ073BIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ073CIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ073DIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ073EIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ073UIndexed code and label stable

What type of milk was {SP} first fed? Was it . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was {SP} first fed? Was it . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was {SP} first fed? Was it . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ095ZIndexed code and label stable

What type of salt {do you/does SP} usually add to {your/his/her/SP's} food at the table? Would you say . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Dietary
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of salt {do you/does SP} usually add to {your/his/her/SP's} food at the table? Would you say . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DR1TOT_I — What type of salt {do you/does SP} usually add to {your/his/her/SP's} food at the table? Would you say . . . — Dietary Interview - Total Nutrient Intakes, First Day (Dietary)
DBQ197Indexed code and label stable

Now I'm going to ask a few questions about milk products. Do not include their use in cooking. In the past 30 days, how often did {you/SP} have milk to drink or on {your/his/her} cereal? Please include chocolate and other flavored milks as well as hot cocoa made with milk. Do not count small amounts of milk added to coffee or tea. Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Now I'm going to ask a few questions about milk products. Do not include their use in cooking. In the past 30 days, how often did {you/SP} have milk to drink or on {your/his/her} cereal? Please include chocolate and other flavored milks as well as hot cocoa made with milk. Do not count small amounts of milk added to coffee or tea. Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Now I'm going to ask a few questions about milk products. Do not include their use in cooking. In the past 30 days, how often did {you/SP} have milk to drink or on {your/his/her} cereal? Please include chocolate and other flavored milks as well as hot cocoa made with milk. Do not count small amounts of milk added to coffee or tea. Would you say... — Diet Behavior & Nutrition (Questionnaire)
DBQ223AIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ223BIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ223CIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ223DIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ223EIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ223UIndexed code and label stable

What type of milk was it? Was it usually . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • What type of milk was it? Was it usually . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — What type of milk was it? Was it usually . . . — Diet Behavior & Nutrition (Questionnaire)
DBQ229Indexed code and label stable

The next question is about regular milk use. A regular milk drinker is someone who uses any type of milk at least 5 times a week. Using this definition, which statement best describes {you/SP}?...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The next question is about regular milk use. A regular milk drinker is someone who uses any type of milk at least 5 times a week. Using this definition, which statement best describes {you/SP}?...2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — The next question is about regular milk use. A regular milk drinker is someone who uses any type of milk at least 5 times a week. Using this definition, which statement best describes {you/SP}?... — Diet Behavior & Nutrition (Questionnaire)
DBQ235AIndexed code and label stable

Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a child between the ages of 5 and 12 years old? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a child between the ages of 5 and 12 years old? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a child between the ages of 5 and 12 years old? Would you say... — Diet Behavior & Nutrition (Questionnaire)
DBQ235BIndexed code and label stable

Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a teenager between the ages of 13 and 17 years old? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a teenager between the ages of 13 and 17 years old? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a teenager between the ages of 13 and 17 years old? Would you say... — Diet Behavior & Nutrition (Questionnaire)
DBQ235CIndexed code and label stable

Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a young adult between the ages of 18 and 35 years old? Would you say...

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a young adult between the ages of 18 and 35 years old? Would you say...2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Now, I'm going to ask you how often {you/SP} drank milk at different times in {your/his/her} life. How often did {you/SP} drink any type of milk, including milk added to cereal when {you were/s/he was} a young adult between the ages of 18 and 35 years old? Would you say... — Diet Behavior & Nutrition (Questionnaire)
DBQ301Indexed code and label stable

The next questions are about meals provided by community or government programs. In the past 12 months, did {you/SP} receive any meals delivered to {your/his/her} home from community programs, "Meals on Wheels", or any other programs?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The next questions are about meals provided by community or government programs. In the past 12 months, did {you/SP} receive any meals delivered to {your/his/her} home from community programs, "Meals on Wheels", or any other programs?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — The next questions are about meals provided by community or government programs. In the past 12 months, did {you/SP} receive any meals delivered to {your/his/her} home from community programs, "Meals on Wheels", or any other programs? — Diet Behavior & Nutrition (Questionnaire)
DBQ330Indexed code and label stable

In the past 12 months, did {you/SP} go to a community program or senior center to eat prepared meals?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • In the past 12 months, did {you/SP} go to a community program or senior center to eat prepared meals?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — In the past 12 months, did {you/SP} go to a community program or senior center to eat prepared meals? — Diet Behavior & Nutrition (Questionnaire)
DBQ360Indexed code and label stable

During the school year, {do you/does SP} attend a kindergarten, grade school, junior or high school?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • During the school year, {do you/does SP} attend a kindergarten, grade school, junior or high school?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — During the school year, {do you/does SP} attend a kindergarten, grade school, junior or high school? — Diet Behavior & Nutrition (Questionnaire)
DBQ370Indexed code and label stable

Does {your/SP's} school serve school lunches? These are complete lunches that cost the same every day.

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Does {your/SP's} school serve school lunches? These are complete lunches that cost the same every day.2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Does {your/SP's} school serve school lunches? These are complete lunches that cost the same every day. — Diet Behavior & Nutrition (Questionnaire)
DBQ390Indexed code and label stable

{Do you/Does SP} get these lunches free, at a reduced price, or {do you/does he/she} pay full price?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Do you/Does SP} get these lunches free, at a reduced price, or {do you/does he/she} pay full price?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Do you/Does SP} get these lunches free, at a reduced price, or {do you/does he/she} pay full price? — Diet Behavior & Nutrition (Questionnaire)
DBQ400Indexed code and label stable

Does {your/SP's} school serve a complete breakfast that costs the same every day?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Does {your/SP's} school serve a complete breakfast that costs the same every day?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Does {your/SP's} school serve a complete breakfast that costs the same every day? — Diet Behavior & Nutrition (Questionnaire)
DBQ421Indexed code and label stable

{Do you/Does SP} get these breakfasts free, at a reduced price, or {do you/does he/she} pay full price?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • {Do you/Does SP} get these breakfasts free, at a reduced price, or {do you/does he/she} pay full price?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — {Do you/Does SP} get these breakfasts free, at a reduced price, or {do you/does he/she} pay full price? — Diet Behavior & Nutrition (Questionnaire)
DBQ424Indexed code and label stable

(Do you/Does SP) get a free or reduced price meal at any summer program (he/she) attends?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • (Do you/Does SP) get a free or reduced price meal at any summer program (he/she) attends?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — (Do you/Does SP) get a free or reduced price meal at any summer program (he/she) attends? — Diet Behavior & Nutrition (Questionnaire)
DBQ700Indexed code and label stable

Next I have some questions about {your/SP?s} eating habits. In general, how healthy is {your/his/her} overall diet? Would you say . . .

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • Next I have some questions about {your/SP?s} eating habits. In general, how healthy is {your/his/her} overall diet? Would you say . . .2015-2016
Cycle-by-cycle release history
  • 2015-2016: DBQ_I — Next I have some questions about {your/SP?s} eating habits. In general, how healthy is {your/his/her} overall diet? Would you say . . . — Diet Behavior & Nutrition (Questionnaire)
DED031Indexed code and label stable

If after several months of not being in the sun, {you/SP} then went out in the sun without sunscreen or protective clothing for a half hour, which one of these would happen to {your/his/her} skin?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • If after several months of not being in the sun, {you/SP} then went out in the sun without sunscreen or protective clothing for a half hour, which one of these would happen to {your/his/her} skin?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DEQ_I — If after several months of not being in the sun, {you/SP} then went out in the sun without sunscreen or protective clothing for a half hour, which one of these would happen to {your/his/her} skin? — Dermatology (Questionnaire)
DED120Indexed code and label stable

The next questions ask about the time you spent outdoors during the past 30 days. By outdoors, I mean outside and not under any shade. How much time did you usually spend outdoors between 9 in the morning and 5 in the afternoon on the days that you worked or went to school?

Observed years
20152016
Release records
1
Datasets
1
Components
Questionnaire
Qualified harmonization assessment unavailable

Praxis has not returned a qualified current-snapshot assessment for this variable. Do not infer cross-cycle equivalence from catalog or enrichment evidence alone.

Variable names / labels over time
  • The next questions ask about the time you spent outdoors during the past 30 days. By outdoors, I mean outside and not under any shade. How much time did you usually spend outdoors between 9 in the morning and 5 in the afternoon on the days that you worked or went to school?2015-2016
Cycle-by-cycle release history
  • 2015-2016: DEQ_I — The next questions ask about the time you spent outdoors during the past 30 days. By outdoors, I mean outside and not under any shade. How much time did you usually spend outdoors between 9 in the morning and 5 in the afternoon on the days that you worked or went to school? — Dermatology (Questionnaire)