ArticleSubstance abuse treatment, prevention, and policy2026
Exposure to second-hand smoke, tobacco advertising, and school curriculum on tobacco harms in South African Adolescents: findings from the Global Youth Tobacco Survey.
Article in Substance abuse treatment, prevention, and policy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundComprehensive smoke-free policies are necessary to protect South African adolescents against second-hand smoke exposure. This study aims to estimate the prevalence of second-hand smoke and identify factors associated with exposure to second-hand smoke among adolescents. This study also assesses factors responsible for adolescents’ female-male gap in exposure to second-hand smoke.
methodsGlobal Youth Tobacco Survey (GYTS) data was used to estimate the second-hand smoke prevalence. Participants comprised 6287 never-smoking adolescents. Chi-Square tests and modified Poisson regression analyses were conducted to identify factors associated with adolescents’ second-hand smoke exposure. Fairlie’s decomposition technique was applied to understand the relative contribution of different covariates to the female-male gap in second-hand smoke.
resultsOverall, 39.7% of all never-smoking South African adolescents reported exposure to second-hand smoke at home and/or in places other than home. By specific location, the prevalence of second-hand smoke exposure at home and in places other than home was 22.2% and 32.8%, respectively. Second-hand smoke was related to age, grade, and smoking parents or guardians, according to modified Poisson regression models. The data also suggest that the proportion predicting second-hand smoke exposure is 44.56% for females and 37.85% for males, resulting in a 6.71% gender gap. Tobacco advertisement was the most significant contributor to the gender disparity in second-hand smoke exposure.
conclusionSecond-hand smoke exposure is still prevalent among South African adolescents. This necessitates a full discussion of strategies aimed at reducing second-hand smoke exposure. Effective smoke-free policies for the home and public areas should be devised and properly enforced.
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