AADBDSPIndexed NHANES variable
Laboratory
Bed Space Vacuumed (square inches)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
Praxis Data Lab · NHANES Explorer
Explore NHANES variables.
Use the Explorer’s free public catalogue to find variables by code, health concept, survey component, cycle, dataset name, or file code. Inspect source availability and add variables directly to Study Builder.
Filtered NHANES results3,394unique matching variables
Filter applied to the public catalogue. Open a result to inspect its cycle availability and CDC/NCHS source evidence.
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Searchable inventory13,311unique NHANES variable codes
Browse by survey component
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13 indexed cyclesCounts show unique variable codes available within each filter. A variable may appear in more than one component or cycle.
Automated CDC/NCHS catalog
Continuous NHANES variable results
Add any indexed variable to Study Builder. Praxis evaluates the selected cycles and returns the available harmonization intelligence, source history, and method context.
AADBDTIMIndexed NHANES variable
Laboratory
Bed Vacuum Time (seconds)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AADBDTYPIndexed NHANES variable
Laboratory
Type of Bed
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AADEXSTSIndexed NHANES variable
Laboratory
Status of Dust Allergen Data
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AADFLSPIndexed NHANES variable
Laboratory
Floor Space Vacuumed (square inches)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AADFLTIMIndexed NHANES variable
Laboratory
Floor Vacuum Time (seconds)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AADMOVEIndexed NHANES variable
Laboratory
Have you/any of the SPs listed below moved since the time when you were last interviewed in your household?
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXBDMATIndexed NHANES variable
Laboratory
Impermeable Mattress Cover
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXBDPLWIndexed NHANES variable
Laboratory
Impermeable Pillow Cover
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXBDSTIndexed NHANES variable
Laboratory
Bed Sample Status
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXBDSURIndexed NHANES variable
Laboratory
Bed Surface Vacuumed
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXFLSTIndexed NHANES variable
Laboratory
Floor Sample Status
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXFLTYPIndexed NHANES variable
Laboratory
Type of Floor Covering
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXRMDESIndexed NHANES variable
Laboratory
Room Description
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXRMHUMIndexed NHANES variable
Laboratory
Room Humidity (%)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
AAXRMTMPIndexed NHANES variable
Laboratory
Room Temperature (F)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DCD030Indexed NHANES variable
Laboratory
Room where samples taken
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCD070AIndexed NHANES variable
Laboratory
Indicates whether floor was carpeted in room-floor sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCDINDEXIndexed NHANES variable
Laboratory
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCDSTATIndexed NHANES variable
Laboratory
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ070BIndexed NHANES variable
Laboratory
Indicates whether mat was found in room-floor sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ070CIndexed NHANES variable
Laboratory
Indicates whether area rug was found in room-floor sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ070DIndexed NHANES variable
Laboratory
If there was wall to wall carpet-floor sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ090Indexed NHANES variable
Laboratory
Depth of carpeting-floor sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ160Indexed NHANES variable
Laboratory
Surface condition for floor dust sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ240Indexed NHANES variable
Laboratory
Window sill finished
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ250Indexed NHANES variable
Laboratory
Surface condition for sill dust sample
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ400Indexed NHANES variable
Laboratory
INTERVIEWER OBSERVATION: ROOM CLEANLINESS
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DCQ410Indexed NHANES variable
Laboratory
INTERVIEWER OBSERVATION: ROOM CLUTTER
- Source releases
- 3
- Available cycles
- 1999-2000 · 2001-2002 · 2003-2004
- Dataset
- Lead - Dust
CDC/NCHS source releases
DSDAA1LCIndexed NHANES variable
Laboratory
Fungus Alternaria alternata 1 (Alt a 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDAF1LCIndexed NHANES variable
Laboratory
Fungus Aspergillus fumigatus dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDBG1LCIndexed NHANES variable
Laboratory
German cockroach Blattella germanica 1 (Bla g 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDBG2LCIndexed NHANES variable
Laboratory
German cockroach Blattella germanica 2 (Bla g 2) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDCF1LCIndexed NHANES variable
Laboratory
Dog allergen Canis familiaris 1 (Can f 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDDF1LCIndexed NHANES variable
Laboratory
Dust mite Dermatophagoides farinae 1 (Der f 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDDP1LCIndexed NHANES variable
Laboratory
Dust mite Dermatophagoides pteronyssinus 1 (Der p 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDENXLCIndexed NHANES variable
Laboratory
Endotoxin dust, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDFD1LCIndexed NHANES variable
Laboratory
Cat allergen Felis domesticus 1 (Fel d 1) dust allergen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDMM1LCIndexed NHANES variable
Laboratory
Mouse urinary protein (Mus m 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSDRN1LCIndexed NHANES variable
Laboratory
Rat urinary protein (Rat n 1) dust antigen, comment code
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXAA1Indexed NHANES variable
Laboratory
Fungus Alternaria alternata 1 (Alt a 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXAA1LDIndexed NHANES variable
Laboratory
Fungus Alternaria alternata 1 (Alt a 1) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXAF1Indexed NHANES variable
Laboratory
Fungus Aspergillus fumigatus dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXAF1LDIndexed NHANES variable
Laboratory
Fungus Aspergillus fumigatus dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXBG1Indexed NHANES variable
Laboratory
German cockroach Blattella germanica 1 (Bla g 1) dust antigen, result (U/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXBG1LDIndexed NHANES variable
Laboratory
German cockroach Blattella germanica 1 (Bla g 1) dust antigen, limit of detection (U/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXBG2Indexed NHANES variable
Laboratory
German cockroach Blattella germanica 2 (Bla g 2) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXBG2LDIndexed NHANES variable
Laboratory
German cockroach Blattella germanica 2 (Bla g 2) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXCF1Indexed NHANES variable
Laboratory
Dog allergen Canis familiaris 1 (Can f 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXCF1LDIndexed NHANES variable
Laboratory
Dog allergen Canis familiaris 1 (Can f 1) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXDF1Indexed NHANES variable
Laboratory
Dust mite Dermatophagoides farinae 1 (Der f 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXDF1LDIndexed NHANES variable
Laboratory
Dust mite Dermatophagoides farinae 1 (Der f 1) dust allergen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXDP1Indexed NHANES variable
Laboratory
Dust mite Dermatophagoides pteronyssinus 1 (Der p 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXDP1LDIndexed NHANES variable
Laboratory
Dust mite Dermatophagoides pteronyssinus 1 (Der p 1) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXENXIndexed NHANES variable
Laboratory
Endotoxin dust, result (EU/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXENXLDIndexed NHANES variable
Laboratory
Endotoxin dust, limit of detection (EU/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXFD1Indexed NHANES variable
Laboratory
Cat allergen Felis domesticus 1 (Fel d 1) dust allergen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXFD1LDIndexed NHANES variable
Laboratory
Cat allergen Felis domesticus 1 (Fel d 1) dust allergen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXMM1Indexed NHANES variable
Laboratory
Mouse urinary protein (Mus m 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXMM1LDIndexed NHANES variable
Laboratory
Mouse urinary protein (Mus m 1) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXRN1Indexed NHANES variable
Laboratory
Rat urinary protein (Rat n 1) dust antigen, result (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
DSXRN1LDIndexed NHANES variable
Laboratory
Rat urinary protein (Rat n 1) dust antigen, limit of detection (ng/mL dust)
- Source releases
- 1
- Available cycles
- 2005-2006
- Dataset
- Allergens - Household Dust
CDC/NCHS source releases
ELISAIndexed NHANES variable
Laboratory
ELISA result interpretation
- Source releases
- 1
- Available cycles
- 2003-2004
- Dataset
- Coxiella Burnetii (Q Fever) Antibodies - Serum (Surplus)
CDC/NCHS source releases
ETHNICTYIndexed NHANES variable
Laboratory
Ethnicity - Recode
- Source releases
- 8
- Available cycles
- 2005-2006 · 2005-2006 · 2005-2006 · 2005-2006 · 2007-2008 · 2007-2008 · 2007-2008 · 2007-2008
- Dataset
- Polychlorinated dibenzo-p-dioxins (PCDDs), Dibenzofurans (PCDFs) & Coplanar Polychlorinated Biphenyls (cPCBs) - Pooled Samples
GTDBL2MNIndexed NHANES variable
Laboratory
Time from fasting glucose & OGTT (min)
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
GTDCODEIndexed NHANES variable
Laboratory
Incomplete OGTT Comment Code
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
GTDDR1MNIndexed NHANES variable
Laboratory
Time from fast glucose & challenge (min)
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
GTDDR2MNIndexed NHANES variable
Laboratory
Time from glucose challenge & OGTT(min)
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
GTDSCMMNIndexed NHANES variable
Laboratory
Glucose challenge Administer Time in minutes
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
GTXDRANKIndexed NHANES variable
Laboratory
Amount of glucose challenge drank
- Source releases
- 5
- Available cycles
- 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016
- Dataset
- Oral Glucose Tolerance Test
CDC/NCHS source releases
HRDHGIndexed NHANES variable
Laboratory
Total Hair Mercury as ug mercury/gram hair (ppm): MDL is Detection Limit (See Documentation for Definitions)
- Source releases
- 1
- Available cycles
- 1999-2000
- Dataset
- Mercury - Hair
CDC/NCHS source releases
HRDHGLCIndexed NHANES variable
Laboratory
The comment code associated with the value of the HRXHG variable (see Documentation for definitions)
- Source releases
- 1
- Available cycles
- 1999-2000
- Dataset
- Mercury - Hair
CDC/NCHS source releases
HRDHGLC2Indexed NHANES variable
Laboratory
The comment code associated with the value of the HRDHG variable (see Documentation for definitions)
- Source releases
- 1
- Available cycles
- 1999-2000
- Dataset
- Mercury - Hair
CDC/NCHS source releases
HRQ010Indexed NHANES variable
Laboratory
Has your hair been given a permanent or been treated with a hair dye or a hair straightener within the last month?
- Source releases
- 1
- Available cycles
- 1999-2000
- Dataset
- Mercury - Hair
CDC/NCHS source releases
HRXHGIndexed NHANES variable
Laboratory
Total Hair Mercury as ug mercury/gram hair (ppm): MQL is Detection Limit (See Documentation for Definitions)
- Source releases
- 1
- Available cycles
- 1999-2000
- Dataset
- Mercury - Hair