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PURPOSE: The purpose of this study was to examine relationships between sexual orientation-based discrimination and excessive alcohol use and substance use disorders and to identify how these relationships differ by sexual identity, sex, race, Hispanic origin, and education among sexual minorities. METHODS: We used logistic regression to analyze associations between discrimination and substance use measures among 1351 gay/lesbian, bisexual, or unsure adults from a nationally representative survey. Differential effects by sexual identity, sex, race, Hispanic origin, and education were assessed using interaction models followed by stratified models. RESULTS: Discrimination was associated with increased odds of the following: exceeding weekly drinking limits adjusted odds ratio (aOR) = 1.52, 95% confidence interval (CI): 1.12-2.08 among bisexuals, any substance use disorder (aOR = 2.04, 95% CI: 1.41-2.95) and nicotine use disorder (aOR = 1.52, 95% CI: 1.08-2.14) among Hispanic sexual minorities, and exceeding weekly drinking limits (aOR = 1.56, 95% CI: 1.08-2.26) among those with a high school degree or less. CONCLUSION: Sexual orientation-based discrimination was associated with select substance use outcomes, especially among bisexuals, Hispanics, and less educated sexual minority adults, highlighting potential disparities associated with experiencing discrimination.
Slater et al. (Wed,) studied this question.