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