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.

Results for “DMQADFC”1unique matching variables

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Free public variable catalogue

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Browse the complete indexed variable inventory by survey component or cycle, then refine it with the search tools below. Catalogue discovery is open to everyone.

Searchable inventory13,311unique NHANES variable codes

Browse by survey component

5 indexed components

Demographics179variables Dietary1,184variables Examination4,954variables Laboratory3,394variables Questionnaire3,649variables

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13 indexed cycles

1999-20004,395 2001-20024,110 2003-20044,844 2005-20063,908 2007-20083,837 2009-20104,131 2011-20124,262 2013-20144,437 2015-20164,234 2017-20184,136 2017-20203,556 2021-20231,286 2025-20260

Counts 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

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DMQADFCIndexed NHANES variable

Demographics

Did {you/SP} ever serve in a foreign country during a time of armed conflict or on a humanitarian or peace-keeping mission? (This would include National Guard or reserve or active duty monitoring or conducting peace keeping operations in Bosnia and Kosovo, in the Sinai between Egypt and Israel, or in response to the 2004 tsunami or Haiti in 2010.)

Source releases: 4
Available cycles: 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018
Dataset: Demographic Variables & Sample Weights

CDC/NCHS source releases

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