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Résumé (anglais)

Objectives. To investigate the prevalence and co-occurrence of heavy drinking, anxiety, and mood disorders among Canadians who self-identified as gay, lesbian, bisexual, or heterosexual. Methods. Pooled data from the 2007 to 2012 cycles of the Canadian Community Health Survey (n = 222,548) were used to fit logistic regression models controlling for sociodemographic characteristics. Results. In adjusted logistic regression models, gay or lesbian respondents had greater odds than heterosexual respondents of reporting anxiety disorders, mood disorders, and anxiety-mood disorders. Bisexual respondents had greater odds of reporting anxiety disorders, mood disorders, anxiety-mood disorders, and heavy drinking. Gay or lesbian and bisexual respondents had greater odds than heterosexuals of reporting co-occurring anxiety or mood disorders and heavy drinking. The highest rates of disorders were observed among bisexual respondents, with nearly quadruple the rates of anxiety, mood, and combined anxiety and mood disorders relative to heterosexuals and approximately twice the rates of gay or lesbian respondents. Conclusions. Members of sexual minority groups in Canada, in particular those self-identifying as bisexual, experience disproportionate rates of anxiety and mood disorders, heavy drinking, and co-occurring disorders.