• Lawrence Mbuagbaw, Wangari Tharao, Winston Husbands, Laron E Nelson, Muna Aden, Keresa Arnold, Shamara Baidoobonso, Charles Dabone, OmiSoore Dryden, Egbe Etowa, Jemila Hamid, Fatimah Jackson-Best, Bagnini Kohoun, Daeria O Lawson, Aisha K Lofters, Henry Luyombya, Tola Mbulaheni, Paul Mkandawire, Mary Ndungu, Agatha Nyambi, Suzanne Obiorah, Fanta Ongoiba, Clémence Ongolo-Zogo, Chinedu Oraka, Rita Shahin, Sanni Yaya, Andrew Hendricks, Aster Gebremeskel, Haoua Inoua, and Josephine Etowa.
• Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada mbuagblc@mcmaster.ca.
• BMJ Open. 2020 Jul 8; 10 (7): e036259.

IntroductionAfrican, Caribbean and Black (ACB) communities are disproportionately infected by HIV in Ontario, Canada. They constitute only 5% of the population of Ontario yet account for 25% of new diagnoses of HIV. The aim of this study is to understand underlying factors that augment the HIV risk in ACB communities and to inform policy and practice in Ontario.Methods And AnalysisWe will conduct a cross-sectional study of first-generation and second-generation ACB adults aged 15-64 in Toronto (n=1000) and Ottawa (n=500) and collect data on sociodemographic information, sexual behaviours, substance use, blood donation, access and use of health services and HIV-related care. We will use dried blood spot testing to determine the incidence and prevalence of HIV infection among ACB people, and link participant data to administrative databases to investigate health service access and use. Factors associated with key outcomes (HIV infection, testing behaviours, knowledge about HIV transmission and acquisition, HIV vulnerability, access and use of health services) will be evaluated using generalised linear mixed models, adjusted for relevant covariates.Ethics And DisseminationThis study has been reviewed and approved by the following Research Ethics Boards: Toronto Public Health, Ottawa Public Health, Laurentian University; the University of Ottawa and the University of Toronto. Our findings will be disseminated as community reports, fact sheets, digital stories, oral and poster presentations, peer-reviewed manuscripts and social media.© Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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