Same-Day Use of Cigarettes, Alcohol, and Cannabis Among Sexual Minority and Heterosexual Young Adult Smokers

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<p>Objective: Sexual minority (SM) young adults have higher rates of substance use than heterosexuals, but little is</p> <p>known about daily use of multiple substances, which confer numerous health risks for this population. Using daily</p> <p>diary data from a smartphone-based study, we examined the associations between sexual identity (i.e., SM vs.</p> <p>heterosexual) and patterns of same-day multiple substance use (i.e., cigarettes and alcohol, cigarettes and cannabis,</p> <p>alcohol and cannabis, and all 3 substances). Method: Young adult smokers (N 147, aged 18–26, 51.7% female,</p> <p>41.5% SM, 40.8% White) reported consecutive daily assessments on substance use over 30 days. We used</p> <p>generalized estimating equations to examine associations between sexual identity and patterns of same-day multiple</p> <p>substance use, controlling for demographic factors and psychological distress. Results: Of 2,891 daily assessments,</p> <p>16.7% reported same-day use of cigarettes and alcohol, 18.1% cigarettes and cannabis, 1.5% alcohol and cannabis,</p> <p>and 15.0% use of all 3 substances. SM participants (vs. heterosexuals) had significantly greater odds of reporting</p> <p>days with use of cigarettes and cannabis [Adjusted Odds Ratio (AOR) 2.05, 95% Confidence Interval (CI) [1.04,</p> <p>4.01]] and use of all three substances (AOR 2.79, 95% CI [1.51, 5.14]) than days with single substance use or</p> <p>no use. Conclusions: These findings warrant tailored interventions addressing multiple substance use among SM</p> <p>young adults and temporally accurate measures of multiple substance use patterns.</p>