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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

    Provides the names of the NHIS core and supplement questionnaires that contain physical activity questions, as well as a PDF containing the physical activity questions from the original questionnaires for easy reference.

  • 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