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.
Contact Us:
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Division of Health Interview Statistics,
National Center for Health Statistics
3311 Toledo Rd, Room 2217
Hyattsville, MD 20782 -
(301) 458-4901
(301) 458-4001 - nhis@cdc.gov
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