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.

1matching variable codes

7 release records across 7 datasets and 7 cycles.

Search scope

Results for “AUQ270”

Harmonization summary

1 label-stable codes

Label changes detected
0
Multiple dataset contexts
0
Unique codes
1
Enriched codes in this report
0

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.

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
20052020
Release records
7
Datasets
7
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?2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2015-2016 · 2017-2018 · 2017-2020
Cycle-by-cycle release history
  • 2005-2006: AUQ_D — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
  • 2007-2008: AUQ_E — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
  • 2009-2010: AUQ_F — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
  • 2011-2012: AUQ_G — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
  • 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)
  • 2017-2018: AUQ_J — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)
  • 2017-2020: P_AUQ — {Are you/Is SP} bothered by ringing, roaring, or buzzing in {your/his/her} ears or head when going to sleep? — Audiometry (Questionnaire)