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Fact Sheet

E-Cigarette Use Among Young Adults Ages 18 to 29 in California

This fact sheet uses data from the 2025 California Health Interview Survey (CHIS) to examine vaping behaviors among young adults ages 18 to 29 in California.
cover of fact sheet E-Cigarette Use Among Young Adults Ages 18 to 29 in California with photo of young adult vaping

Research Report

The 2024 California Health Interview Survey American Indian and Alaska Native Follow-On Study

This 2024 California Health Interview Survey follow-on study provides population-representative estimates of cultural practices, chronic conditions, health behaviors, mental health, alcohol use, and drug use among American Indian and Alaska Native adults living in California.
2024 CHIS AIAN Follow-On Study image

Fact Sheet

Access to Healthcare Among American Indian and Alaska Native Adults in California

Using 2020–2024 CHIS data, this fact sheet examines gaps in access to healthcare among American Indian and Alaska Native adults in California.
Graphic with AIAN access to healthcare, adverse childhood experiences, and suicide publication covers

Policy Brief

Differences in Chronic Conditions and Substance Use Among American Indian and Alaska Native Adults in California

Using combined 2020–2024 California Health Interview Survey (CHIS) data for American Indian and Alaska Native adults, this policy brief highlights variations in chronic conditions and substance use across AIAN subpopulation groups.
Graphic with AIAN chronic conditions and substance use publication covers

Search publications

Graphic with AIAN chronic conditions and substance use publication covers
Policy Brief

Differences in Chronic Conditions and Substance Use Among American Indian and Alaska Native Adults in California

Using combined 2020–2024 California Health Interview Survey (CHIS) data for American Indian and Alaska Native adults, this policy brief highlights variations in chronic conditions and substance use across AIAN subpopulation groups.

photo of boy drinking and girl smoking and illustration of boy with substances studying
Policy Brief

Adolescents’ Substance Use, Psychological Distress, and Suicidal Thoughts and Attempts

This study uses 2022–2024 California Health Interview Survey (CHIS) data to examine substance use among California adolescents ages 12–17 and its links to psychological distress and suicide risk.

Older African American man near For Rent sign and infographic with apartment building
Policy Brief

Housing Discrimination in California: Findings from the 2023 and 2024 California Health Interview Survey

Housing discrimination is widely recognized as a significant public health issue, yet its prevalence and distribution across populations remain understudied in California. Using pooled 2023–2024 California Health Interview Survey (CHIS) data for adults 18 and older, this policy brief highlights the prevalence of housing discrimination, groups that are discriminated against, and variations across populations and regions.

Report cover shows a woman walking by two men; infographic shows hate act data
Policy Brief

Hate Acts in California: Insights from the 2023 and 2024 California Health Interview Survey

This policy brief uses data from the 2023 and 2024 California Health Interview Survey (CHIS) to report both survey-based prevalence estimates (what respondents reported experiencing) and model-based predicted probabilities (that is, predicted rates of experiencing hate) to describe how experiences of hate can vary across populations and regions.

Report cover with photograph of solemn man and infographic showing dejected man.
Policy Brief

Experiencing Acts of Hate and Access to Support: Findings from the 2024 California Health Interview Survey

Research shows that experiencing hate can have wide-ranging negative impacts on individuals and communities. The California Civil Rights Department (CRD) and the California Health Interview Survey (CHIS) included questions on the 2024 CHIS asking victims about the number of hate incidents they had experienced, the types of resources they needed, and whether they were able to access them. This policy brief highlights variations across several population groups and regions.

cover of Parks After Dark evaluation brief with lifeguard wearing a Parks After Dark shirt and iPad showing data
Policy Brief

Parks After Dark Evaluation Brief, November 2025

UCLA CHPR researchers summarize information from their evaluation of the 2024 Parks After Dark (PAD) program in Los Angeles County, including innovative “spotlights” that made PAD unique.

upset transgender person
Policy Brief

Lesbian, Gay, Bisexual, and Transgender (LGBT) Adults’ Mental Health, Access to Care, and Unmet Need for Care in California

Using data from the 2023 CHIS, this policy brief examines the mental health needs of LGBT adults.

photo of AIAN woman on report cover and infographics data page
Policy Brief

Variation in Psychological Distress, Life Impairment, and Unmet Need for Care Among Groups of American Indian/Alaska Native Adults in California

This brief uses five years of pooled data from the 2019 to 2023 CHIS to analyze data for all AIAN adults as a single population and as then as multiple populations with diverse Latino ethnic and racial identities.

supported decision making cover with woman and man looking at computer, plus infographic
Policy Brief

Addressing Gaps in Digital Supported Decision-Making (SDM) Resources for the Disability Community in California

This policy brief presents findings from a gap analysis of digital supported decision-making (SDM) resources in California.

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Policy Brief

Child Care Among California Households With Young Children Ages 0-5

This brief uses data from the 2019–2023 California Health Interview Survey to describe the child care experiences of households with young children aged 0–5 years old, including unmet need for child care, and household spending on child care.