Special Topics

Adult Physical Activity Information

Describes the history of NHIS adult physical activity questions and provides tools for identifying, accessing, and using NHIS physical activity data.

Adult Tobacco Use Information

Describes the history of NHIS adult tobacco use questions and provides tools for identifying, accessing, and using NHIS adult tobacco use data.

Injury and Poisoning Information

Describes the history of NHIS injury and poisoning questions and provides tools for identifying, accessing, and using NHIS injury and poisoning data.

Race and Hispanic Origin Information

Provide users of the NHIS with in-depth information on race and Hispanic origin, two of the most important demographic variables that are collected in the survey.