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Praxis Data Lab

Your Study Package

Review your Study Package before checkout.

This is the study you assembled. Confirm the selected variables, cycles, exact source files, automatic survey fields, and deliverables before proceeding to payment.

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Your specification

4 research variables · 1 cycle

Edit study
Complete the study specification first.
  • DMQADFC is not released for 2005-2006.
  • DMDBORN2 is not released for 2005-2006.
  • ARXO2WD is not released for 2005-2006.
AAXRMDESRoom Description
ARXO2WDOCCIPUT-TO-WALL DISTANCE IN CENTIMETERS
DMDBORN2In what country {were you/was SP} born?
DMQADFCDid {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.)

Cycles: 2005-2006

Up to 50 researcher-selected variables per one-time package.

Source files for your study

Exact CDC/NCHS inputs selected for this specification

These are the source files Praxis will use for the variables and cycles shown above. They replace any generic sample-study file list.

  • DEMO_D.XPT · 2005-2006 — demographics, linkage, eligibility, weights and survey design
  • ALDUST_D.XPT · 2005-2006 — selected variable: AAXRMDES

Included automatically · no limit charge

Survey-ready foundations

  • SEQN participant identifier
  • NHANES cycle indicator
  • Eligibility fields
  • Appropriate sample weight
  • Survey strata
  • Survey PSU

Complete delivery

Reproducible files, not just a data export

  • Cleaned CSV, Parquet, and Excel outputs
  • Original CDC/NCHS source files and checksums
  • Codebook, harmonization record, and provenance
  • README, validation summary, and analysis specification
  • R and Python starter code

Preparation normally takes 5–10 minutes; please allow up to 15 minutes. You can leave after payment and return through My Study Packages, and we’ll email your secure download link when it is ready.