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Sexual minorities are at increased risk for tobacco use; however, there is heterogeneity in this risk by sociodemographic factors.

This study sought to understand if vulnerability to tobacco use among US sexual minorities varies by age group. For this study we used data from wave 4 of the Population Assessment of Tobacco and Health adolescent and adult surveys (n = 37 959), a nationally representative survey. We examined five nicotine/tobacco use outcomes by sex and sexual identity across four age groups. The five outcomes included past 30-day e-cigarette use, past 30-day cigarette use, past 30-day other tobacco use, the number of tobacco products used, and nicotine dependence symptoms.

For males, sexual identity differences were greatest in middle adulthood, particularly for bisexual males; adjusted odds …