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Praxis Data Lab

Praxis Data Lab · Study Builder

Build your NHANES study with harmonization intelligence.

Combine variables from the indexed Continuous NHANES catalog, choose the cycles you need, and see how Praxis connects source history, methods, cycle boundaries, and cross-code lineage into a study-specific harmonization view.

3variables selected

1 cycle in this study.

Praxis harmonization check: ready

The selected variables and cycle span have no indexed blocking harmonization boundary.

3 variable assessments

Your study specification is assembled

Your complete Study Package is ready to review.

See your selected variables, automatic survey fields, reproducible deliverables, and early access price in one clear summary.

$59 $39Continue — $39
ALQ111
Compatiblemoderate confidence

Questionnaire

The next questions are about drinking alcoholic beverages. Included are liquor (such as whiskey or gin), beer, wine, wine coolers, and any other type of alcoholic beverage. In {your/SP's} entire life, {have you/has he/has she} had at least 1 drink of any kind of alcohol, not counting small tastes or sips? By a drink, I mean a 12 oz. beer, a 5 oz. glass of wine, or one and a half ounces of liquor.

Source releases
3
Available cycles
2017-2018 · 2017-2020 · 2021-2023
Dataset
Alcohol Use

Praxis found no indexed change boundary inside the selected cycle span that prevents pooling. Standard NHANES design requirements still apply.

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

Files for selected cycles
    Remove from studyVariable historyCDC source
    ARXO2WD
    Compatiblemoderate confidence

    Examination

    OCCIPUT-TO-WALL DISTANCE IN CENTIMETERS

    Source releases
    1
    Available cycles
    2009-2010
    Dataset
    Arthritis Body Measures

    Praxis found no indexed change boundary inside the selected cycle span that prevents pooling. Standard NHANES design requirements still apply.

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

    Files for selected cycles
      Remove from studyVariable historyCDC source
      SDMVSTRA
      Compatiblemoderate confidence

      Demographics

      Masked Variance Unit Pseudo-Stratum variable for variance estimation

      Source releases
      12
      Available cycles
      1999-2000 · 2001-2002 · 2003-2004 · 2005-2006 · 2007-2008 · 2009-2010 · 2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020 · 2021-2023
      Dataset
      Demographic Variables & Sample Weights

      Praxis found no indexed change boundary inside the selected cycle span that prevents pooling. Standard NHANES design requirements still apply.

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

      Files for selected cycles
      Remove from studyVariable historyCDC source