National Health Interview Survey (NHIS) Restricted Variables

Detailed variable lists are not available for years prior to 1997.

1997 – 2018 Restricted and Public Use Variable Lists *

Restricted and Public Use Variable Lists *

*All lists are sorted by question.

More detailed documentation, such as variable values and questionnaire information, for 1997 to 2018 are available by request. If you are interested in receiving the documentation, please contact  RDCA@cdc.gov.

2019 Restricted Use Data

2019 NHIS Sample Adult Codebook for Restricted-Use Variables: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NHIS/2019/adult-nofreq-codebook.pdfpdf icon

2019 NHIS Sample Child Codebook for Restricted-Use Variables:  ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NHIS/2019/child-nofreq-codebook.pdfpdf icon

2019 NHIS Paradata Codebook for Restricted-Use Variables: ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NHIS/2019/paradata-nofreq-codebook.pdfpdf icon

Other NHIS restricted Data

Geography

Preliminary Quarterly Microdata Files

 

 

Page last reviewed: January 7, 2021, 01:50 PM