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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

ACD110
Compatiblemoderate confidence

Questionnaire

{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?

Source releases
5
Available cycles
2011-2012 · 2013-2014 · 2015-2016 · 2017-2018 · 2017-2020
Dataset
Acculturation

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
      DR1_320
      Compatiblemoderate confidence

      Dietary

      Total plain water drank yesterday - including plain tap water, water from a drinking fountain, water from a water cooler, bottled water, and spring water.

      Source releases
      1
      Available cycles
      2003-2004
      Dataset
      Dietary Interview - Total Nutrient Intakes, First Day

      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