Bisexual women report higher rates of alcohol use and risky sexual behavior than lesbian and heterosexual women. Impulsivity (i.e., action without considering negative consequences) is a risk factor for greater alcohol use and sexual behavior, but few studies have examined the impact of impulsivity on alcohol use and sexual behavior among cisgender bisexual women. Consequently, the purpose of this study was to examine the moderating role of impulsivity on the association between hazardous alcohol use and sexual risk-taking among cisgender bisexual emerging adults. Participants were 225 self-identified cisgender bisexual women (Ma ge = 22.77, SD = 3.45) who completed an online survey about their hazardous alcohol use using the Alcohol Use Disorder Identification Test (AUDIT), impulsivity, and sexual behaviors over the past 30 days. A moderated regression model examined main effects of impulsivity and alcohol use severity, and their interaction, on sexual risk-taking. The association between alcohol use severity and sexual risk-taking was moderated by impulsivity. Simple slopes analyses revealed that greater alcohol use severity was associated with greater sexual risk-taking, but this only occurred for participants with average or high scores of impulsivity. These results suggest prevention programs that target alcohol use should address the role that impulsivity may have on risky sexual behaviors among young bisexual women. Future research would benefit from looking at various outcomes related to sexual risk to determine which are most predominantly associated with alcohol use severity and impulsivity.
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