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CHIS Data-Current Asthma Prevalence by County 2015-Present

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Published by:
California Department of Public Health
Last updated:
February 11, 2025
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Description:

This dataset contains current asthma prevalence, the estimated percentage of Californians who have ever been diagnosed with asthma by a health care provider AND report they still have asthma and/or had an asthma episode or attack within the past 12 months, statewide and by county. The data are stratified by age group (all ages, 0-17, 18+, 0-4, 5-17, 18-64, 65+) and reported for 2-year periods. These data are derived from the California Health Interview Survey (CHIS).

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