Adult Physical Activity Information
These resources from past NHIS years are available for use by researchers, analysts, and others. For more recent study years, visit the NHIS website: https://www.cdc.gov/nchs/nhis/
Welcome!
The purpose of this site is to describe the history of the National Health Interview Survey (NHIS) adult physical activity questions and provide tools for identifying, accessing, and using NHIS physical activity data, collected since 1975.
Updates and new information will be added as they become available.