Predictors of smoking exposure in non-smoking adolescents in Indonesia
Accepted: 27 February 2024
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Exposure to secondhand smoke is one of the leading causes of death for non-smokers worldwide. The prevalence of exposure to secondhand smoke is higher among adolescents. Research on predictors of secondhand smoke exposure in adolescents is still rarely conducted in Indonesia. This study aimed to analyze the predictors of exposure to secondhand smoke among non-smoking adolescents in Indonesia. This study used data from the Global Youth Tobacco Survey (GYTS) Indonesia 2019 with a cross-sectional design. A total of 7,594 adolescents aged 13 to 15 were selected using purposive sampling. The dependent variables were exposure to secondhand smoke at home and in public. The independent variables included age, gender, smoking parents, smoking friends, and knowledge of the dangers of secondhand smoke. Data were analyzed using STATA with inferential tests, namely chi-square and logistic regression. The prevalence of adolescents exposed to secondhand smoke at home and in public was 49.57% and 71.86%, respectively. At-home exposure was significantly associated with smoking parents [AOR=3.50, 95% CI=2.97 to 4.12], smoking friends [AOR=1.50, 95% CI=1.30 to 1.73], and knowledge of the dangers of secondhand smoke [AOR=2.11, 95% CI=1.52 to 2.93]. Public exposure was associated with ages 13-15 [AOR=1.32, 95% CI=1.10 to 1.58] and older than 15 [AOR=1.77, 95% CI=1.39 to 2.25], male gender [AOR=1.31, 95% CI=1.11 to 1.53], smoking parents [AOR=1.58, 95% CI=1.36 to 1.84], smoking friends [AOR=2.16, 95% CI=1.85 to 2.53], and knowledge of secondhand smoke dangers [AOR=2.84, 95% CI=2.15 to 3.75]. Adolescents’ exposure to secondhand smoke in public spaces is higher in prevalence and has more associated factors compared to exposure at home. Exposure reductions require comprehensive actions from authorities by strictly implementing and expanding non-smoking areas covered by existing regulations. Also, family and school management should be involved in prevention efforts.
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