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.

1variable selected

1 cycle in this study.

Praxis harmonization check: ready

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

1 variable assessment

DMDBORN4

Compatiblemoderate confidence

Demographics

In what country {were you/was SP} born?

Source releases: 6
Available cycles: 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

2011-2012: DEMO_G

Remove from study Variable history CDC source