The Short-Term Impact of National Smoke-Free Workplace Legislation on Passive Smoking and Tobacco Use

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Abstract
Objectives. This study sought to evaluate the short-term impact of national smoke-free workplace legislation on employee exposure to environmental tobacco smoke at work and on employee smoking habits. Methods. We performed 2 cross-sectional studies in 9 medium-sized and large Finnish workplaces, before and after implementation of national smoke-free workplace legislation. We assessed tobacco smoke exposure via questionnaire and indoor air nicotine measurements. Results. Exposure to environmental tobacco smoke declined considerably after the legislation was implemented. Tobacco consumption among smokers diminished. Nicotine concentrations fell significantly. Conclusions. Legislation was more efficient than voluntary workplace-specific smoking restrictions in reducing passive smoking and cigarette consumption. (Am J Public Health. 2001;91:1416–1418)