California Health Interview Survey

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 Hundreds of health statistics

 
CHIS surveys every county in the state, allowing researchers analyze geographic health disparities, such as areas whether rural children have high rates of ER use, or adults in inner cities have low rates physical activity.
 
Learn more about our sample and the questions we ask.

 

Where does CHIS interview?

CHIS surveys are conducted in all 58 counties of California. CHIS may conduct oversampling of specific urban areas, such as Los Angeles and San Diego.

View a complete list of downloadable tables that show the number of people CHIS has interviewed for each county as well as their race/ethnicity during recent data collection cycles here.

Would you like an oversample of your city or geographic area? Contact our CHIS team at the UCLA Center for Health Policy Research to learn more about expanded survey options.