Constellation, le dépôt institutionnel de l'Université du Québec à Chicoutimi

Résumé

In Canada, the highest increases in rates of sexually transmitted infections (STIs) and substance use disorders occur among emerging adults aged 18 to 29 years old. Most research on risk-taking behaviors have focused on adolescents or males only—especially gay and bisexual men. This study aimed to assess patterns of sexual and substance use risk-taking behavior (i.e., early sexual onset, number of sexual partners, inconsistent condom use, unconventional sexual behaviors, binge-drinking, and polysubstance use); investigate whether sociodemographic and individual characteristics predict risk-taking profiles; and examine whether risk-taking profiles are associated with differential health outcomes (i.e., STI testing and diagnosis, substance use problems). Latent class analyses were conducted on a sample of 602 heterosexual French-Canadian emerging adults (84% female; M age = 22.3) who completed an online questionnaire. Four profiles were identified: inactive low-risk (13.5%), active low-risk (34.7%), mid-risk (42.3%), and high-risk (9.5%). The two higher risk-taking profiles were overrepresented by older participants, females, and impulsive sensation seekers. Participants in the mid- and high-risk profiles had higher odds of having been screened for and been diagnosed with STIs, and of reporting more substance use problems.