Questionnaires, Datasets, and Related Documentation

  • Major Changes

    Explains the various changes in data collection technology and physical activity questions from 1975 to the present.

  • Adult Physical Activity Questions

    Questions on adult physical activity are reproduced in a single document for years 1975-2012. This summary document was discontinued after 2012. 

  • Guide for Data Users

    Provides links to NHIS adult physical activity information, including questionnaires, documentation, data file information, SAS/SPSS/Stata input statements, and data sets for each data year in which NHIS adult physical activity questions were asked.

  • Physical Activity Recodes

    SAS and Stata code are provided here to allow data users to construct recodes for adult leisure-time physical activity that are consistent with the indicators used to track progress toward national health objectives.