Sex and sexual orientation in relation to tobacco use among young adult college students in the US: a cross-sectional study

BMC Public Health. 2018 Nov 8;18(1):1244. doi: 10.1186/s12889-018-6150-x.

Abstract

Background: Sexual minority young adults represent a high-risk population for tobacco use. This study examined cigarette and alternative tobacco product (ATP) use prevalence across sexual orientation (heterosexual, gay/lesbian, and bisexual) among college-attending young adult men and women, respectively.

Methods: Baseline data from a two-year longitudinal study of 3386 young adult college students aged 18-25 in Georgia were analyzed. Correlates examined included sociodemographics (age, sex, sexual orientation, race/ethnicity, college type, and parental education). Outcomes included past 30-day use of tobacco (cigarette, little cigars/cigarillos [LCCs], e-cigarettes, hookah, any tobacco product used, and number of tobacco products used, respectively). Two-group, multivariate multiple regression models were used to examine predictors of tobacco use among men and women, respectively.

Results: Among men (N = 1207), 34.7% used any tobacco product; 18.6% cigarettes; 12.3% LCCs; 16.8% e-cigarettes; and 14.7% hookah. Controlling for sociodemographics, gay sexual orientation (OR = 1.62, p = 0.012) was associated with higher odds of cigarette use; no other significant associations were found between sexual orientation and tobacco use. Among women (N = 2179), 25.3% used any tobacco product; 10.4% cigarettes; 10.6% LCCs; 7.6% e-cigarettes; and 10.8% hookah. Being bisexual was associated with cigarette (p < 0.001), LCC (p < 0.001), and e-cigarette use (p = 0.006). Lesbian sexual orientation was associated with cigarette (p = 0.032) and LCC use (p < 0.001). Being bisexual predicted any tobacco product used (p = 0.002), as well as number of tobacco products used (p = 0.004). Group comparisons showed that the effect of sexual minority status on LCC use was significantly different for men versus women.

Conclusion: Sexual minority women, especially bisexual women, are at higher risk for using specific tobacco products compared to heterosexual women; homosexual men are at increased risk of cigarette use compared to heterosexual men. These nuances in tobacco use should inform interventions targeting sexual minorities.

Keywords: Alternative tobacco product; College students; Multivariate multiple regression; Sex differences; Sexual orientation; Tobacco use; Young adults.

MeSH terms

  • Adolescent
  • Adult
  • Cross-Sectional Studies
  • Electronic Nicotine Delivery Systems / statistics & numerical data
  • Female
  • Georgia / epidemiology
  • Humans
  • Longitudinal Studies
  • Male
  • Risk Factors
  • Sex Distribution
  • Sexual Behavior / statistics & numerical data*
  • Sexual and Gender Minorities / psychology*
  • Sexual and Gender Minorities / statistics & numerical data
  • Students / psychology*
  • Students / statistics & numerical data
  • Tobacco Products / statistics & numerical data*
  • Tobacco Use / epidemiology*
  • Universities
  • Young Adult