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Does smoke-free legislation work for teens too? A logistic regression analysis of smoking prevalence and gender among 16 years old in Ireland, using the 1995-2015 ESPAD school surveys.

ABSTRACT: OBJECTIVES:To assess the role of tobacco control legislation (TCL) in youth smoking in Ireland. To examine the effects of smoke-free legislation in youth. To consider whether TCL contributed to the gender equalisation in prevalence in 16?years old seen between 2003 and 2015. SETTING:Data are from the 4 yearly European School Survey Project on Alcohol and Other Drugs from 1995 to 2015. Total sample size was 12.394. A logistic regression model on grouped data was used. Dependent variable is whether a student was a smoker in last 30 days. Independent variables are time, gender and the policy indicators, workplace ban on smoking, point-of-sale (POS) display ban, the introduction of graphical images on packs and the average real price of cigarettes. RESULTS:Smoking prevalence dropped from 41% in 1995 to 13% in 2015. The effects of policies differed between boys and girls. For girls, estimates for workplace bans, graphical images on packs and a unit real (Consumer Price Index adjusted) price increase reduced prevalence by 7.31% (95%?CI 2.94% to 11.68%), 8.80% (95% CI 2.60% to 15.01%) and 5.87 (95% CI 2.96 to 8.79), respectively. The POS ban did not have a significant effect in girls. For boys, estimates for workplace bans and a unit real price increase, reduced prevalence by 8.41% (95% CI 5.16% to 11.66%) and 4.93% (95% CI 0.77% to 9.08%), respectively, POS gave an increase of 7.02% (95% CI 1.96% to 12.40%). The introduction of graphical images had an insignificant effect. CONCLUSIONS:TC legislation helps to explain the out-of-trend reduction in youth smoking prevalence. The estimated differential effects of the workplace ban, POS displays, real price changes and graphical images on packs help to explain the sharper decline in girls than boys. These findings should remind policy-makers to give increased consideration to the possible effects on young people of any legislative changes aimed at adults in TCL.

SUBMITTER: Li S

PROVIDER: S-EPMC7430408 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Does smoke-free legislation work for teens too? A logistic regression analysis of smoking prevalence and gender among 16 years old in Ireland, using the 1995-2015 ESPAD school surveys.

Li Shasha S Keogan Sheila S Clancy Luke L

BMJ open 20200816 8

<h4>Objectives</h4>To assess the role of tobacco control legislation (TCL) in youth smoking in Ireland. To examine the effects of smoke-free legislation in youth. To consider whether TCL contributed to the gender equalisation in prevalence in 16 years old seen between 2003 and 2015.<h4>Setting</h4>Data are from the 4 yearly European School Survey Project on Alcohol and Other Drugs from 1995 to 2015. Total sample size was 12.394. A logistic regression model on grouped data was used. Dependent var ...[more]

PMID: 32801188

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Project description:Smoke-free legislation has been a great success for tobacco control but its impact on smoking uptake remains under-explored. We investigated if trends in smoking uptake amongst adolescents differed before and after the introduction of smoke-free legislation in the United Kingdom.Prevalence estimates for regular smoking were obtained from representative school-based surveys for the four countries of the United Kingdom. Post-intervention status was represented using a dummy variable and to allow for a change in trend, the number of years since implementation was included. To estimate the association between smoke-free legislation and adolescent smoking, the percentage of regular smokers was modeled using linear regression adjusted for trends over time and country. All models were stratified by age (13 and 15 years) and sex.For 15-year-old girls, the implementation of smoke-free legislation in the United Kingdom was associated with a 4.3% reduction in the prevalence of regular smoking (P = .029). In addition, regular smoking fell by an additional 1.5% per annum post-legislation in this group (P = .005). Among 13-year-old girls, there was a reduction of 2.8% in regular smoking (P = .051), with no evidence of a change in trend post-legislation. Smaller and nonsignificant reductions in regular smoking were observed for 15- and 13-year-old boys (P = .175 and P = .113, respectively).Smoke-free legislation may help reduce smoking uptake amongst teenagers, with stronger evidence for an association seen in females. Further research that analyses longitudinal data across more countries is required.Previous research has established that smoke-free legislation has led to many improvements in population health, including reductions in heart attack, stroke, and asthma. However, the impacts of smoke-free legislation on the rates of smoking amongst children have been less investigated. Analysis of repeated cross-sectional surveys across the four countries of the United Kingdom shows smoke-free legislation may be associated with a reduction in regular smoking among school-aged children. If this association is causal, comprehensive smoke-free legislation could help prevent future generations from taking up smoking.

Dataset Information

Does smoke-free legislation work for teens too? A logistic regression analysis of smoking prevalence and gender among 16 years old in Ireland, using the 1995-2015 ESPAD school surveys.

Publications

Does smoke-free legislation work for teens too? A logistic regression analysis of smoking prevalence and gender among 16 years old in Ireland, using the 1995-2015 ESPAD school surveys.

Similar Datasets

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