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Résumé (anglais)

Purpose: Lesbians, gay men, and bisexuals have been shown to have different risks for mood and anxiety disorders than heterosexuals in population studies, but there is a paucity of research in this area in military populations. This study examined the relationship between sexual orientation and depression in the Canadian Armed Forces (CAF). Methods: Data were drawn from the Canadian Forces Mental Health Survey 2013 (n=8165), a representative sample of Regular and Reserve members of the Canadian military. Binomial logistic regression was used to predict 12-month and lifetime odds ratios for major depressive episode (MDE) stratified by sexual orientation and sex. Results: Gay male members had higher risk (AOR=3.80, 95% CI 1.60-9.05) for lifetime MDE, but not for past 12-month MDE compared to heterosexual males. There was no significant difference in risk for lesbians or bisexuals compared to heterosexuals. Conclusions: The results suggest that gay male members of the CAF are at higher risk for a history of MDE, but not current MDE. This may be a result of ongoing discrimination and stigma faced by gay men in the military or may reflect MDE that occurred before military service. The lack of difference in MDE risk for lesbian and bisexual members compared to heterosexual members is an important positive finding.