• Natalie A Rivadeneira, Mekhala Hoskote, Gem M Le, Tung T Nguyen, Anna María Nápoles, Rena J Pasick, Urmimala Sarkar, and Robert A Hiatt.
• Center for Vulnerable Populations, Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, California. Electronic address: natalie.rivadeneira@ucsf.edu.
• Am J Prev Med. 2020 Jan 1; 58 (1): e1e9e1-e9.

IntroductionCancer risk and screening data are limited in their ability to inform local interventions to reduce the burden of cancer in vulnerable populations. The San Francisco Health Information National Trends Survey was developed and administered to assess the use of cancer-related information among under-represented populations in San Francisco to provide baseline data for the San Francisco Cancer Initiative.MethodsThe survey instrument was developed through consultation with research and community partners and translated into 4 languages. Participants were recruited between May and September 2017 through community-based snowball sampling with quotas to ensure adequate numbers of under-represented populations. Chi-square tests and multivariate logistic regression were used between 2018 and 2019 to assess differences in screening rates across groups and factors associated with cancer screening.ResultsOne thousand twenty-seven participants were recruited. Asians had lower rates of lifetime mammogram (p=0.02), Pap test (p<0.01), and prostate-specific antigen test (p=0.04) compared with non-Asians. Hispanics had higher rates of lifetime mammogram (p=0.02), lifetime Pap test (p=0.01), recent Pap test (p=0.03), and lifetime prostate-specific antigen test (p=0.04) compared with non-Hispanics. Being a female at birth was the only factor that was independently associated with cancer screening participation (AOR=3.17, 95% CI=1.40, 7.19).ConclusionsScreening adherence varied by race, ethnicity, and screening type. A collaborative, community-based approach led to a large, diverse sample and may serve as a model for recruiting diverse populations to add knowledge about cancer prevention preferences and behaviors. Results suggest targeted outreach efforts are needed to address disparate cancer screening behaviors within this diverse population.Copyright © 2019 American Journal of Preventive Medicine. All rights reserved.

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