Differences in risk factors for hepatitis B, hepatitis C, and human immunodeficiency virus infection by ethnicity: A large population-based cohort study in British Columbia, Canada

•Major risk factors for HBV, HCV, and HIV monoinfection/coinfection may differ by ethnicity.•Understanding these differences will improve screening initiatives.•Factors associated with infection among different ethnic groups in British Columbia were assessed.•Substance use prevalence was significantly lower among visible minority ethnic groups.•Where present, substance use was associated with increased risk of HBV and/or HCV and/or HIV infection.