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101.
ObjectiveTo quantify the effects of smoke-free workplaces on smoking in employees and compare these effects to those achieved through tax increases.DesignSystematic review with a random effects meta-analysis.SettingWorkplaces in the United States, Australia, Canada, and Germany.ParticipantsEmployees in unrestricted and totally smoke-free workplaces.ResultsTotally smoke-free workplaces are associated with reductions in prevalence of smoking of 3.8% (95% confidence interval 2.8% to 4.7%) and 3.1 (2.4 to 3.8) fewer cigarettes smoked per day per continuing smoker. Combination of the effects of reduced prevalence and lower consumption per continuing smoker yields a mean reduction of 1.3 cigarettes per day per employee, which corresponds to a relative reduction of 29%. To achieve similar reductions the tax on a pack of cigarettes would have to increase from $0.76 to $3.05 (€0.78 to €3.14) in the United States and from £3.44 to £6.59 (€5.32 to €10.20) in the United Kingdom. If all workplaces became smoke-free, consumption per capita in the entire population would drop by 4.5% in the United States and 7.6% in the United Kingdom, costing the tobacco industry $1.7 billion and £310 million annually in lost sales. To achieve similar reductions tax per pack would have to increase to $1.11 and £4.26.ConclusionsSmoke-free workplaces not only protect non-smokers from the dangers of passive smoking, they also encourage smokers to quit or to reduce consumption.
What is already known on this topic
Smoke-free workplaces are associated with lower cigarette consumption per continuing smokerWhat this study adds
Smoke-free workplaces reduce prevalence of smoking as well as consumptionThe combined effects of people stopping smoking and reducing consumption reduces total cigarette consumption by 29%To achieve similar results through taxation would require cigarette taxes per pack to increase from $0.76 to $3.05 in the United States and from £3.44 to £6.59 in the United Kingdom 相似文献102.
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