Complete home smoking ban survey analysis: an opportunity to improve health equity among sexual minority adults in California, USA

BACKGROUND: Increasing the proportion of adults living in smoke-free homes is a US Healthy People 2020 objective. Complete home smoking bans are associated with higher odds of smoking cessation attempts and cessation duration. Sexual minority adults have disproportionality higher rates of smoking. This study investigates correlates of having a complete home smoking ban among sexual minority adults in California. METHODS: Secondary data analyses of the California Behavioral Risk Factor Surveillance System (CA BRFSS), 2014–2016. The CA BRFSS telephone survey of adults was conducted in English and Spanish and used random digit dial for landline and cell numbers. Weighted descriptives were stratified by sexual orientation and biological sex. Weighted bivariate and multivariable logistic regression analyses included only sexual minorities (i.e., lesbian, gay, bisexual) and were analyzed as a group and separately by biological sex to account for intragroup variances. The final weighted total of sexual minority adults (N = 359,236) included sexual minority adult females (N = 163,490) and sexual minority adult males (N = 195,746). RESULTS: Sexual minority adults in California had a lower prevalence of complete home smoking bans (Female 76.2%; Male 75.7%), higher prevalence of current cigarette smoking (Female 23.3%; Male 17.4%) and of e-cigarette use (Female 5.8%; Male 6.4%) than their straight counterparts. Sexual minorities that smoke everyday (Female Adjusted Odds Ratio (AOR) 0.26, 95% Confidence Interval (CI) 0.11–0.63; Male AOR 0.24, 95% CI 0.01–0.56) or some days (Female AOR 0.28, 95% CI 0.09–0.90) had lower adjusted odds of having a complete home smoking ban compared to those who never smoked. CONCLUSIONS: Smoking everyday was the only consistent predictor of not having a complete home smoking ban among sexual minority adults. Focused efforts to increase prevalence of complete home smoking bans should address smoking status to improve health equity among sexual minority adults.