California Health Interview Survey


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 Unique data


CHIS 2016 contains some of the first population-based data ever collected on transgender Americans. Because of California's diversity, CHIS data provides unique health information on many under-surveyed racial, ethnic and sexual-minority groups.

Learn more about CHIS's diverse sample.


Survey Topics

From asthma, diabetes and obesity to immigrant health and health insurance coverage, CHIS covers dozens of essential health topics. Many core questions are repeated in each survey in order to measure significant shifts over time. New questions are also added each survey year to address emerging concerns that are important for planning and policy development. To see a complete list of the health topics covered by CHIS by two-year cycle, click on the links below: