Published ahead of print on January 4, 2007, doi:10.1164/rccm.200608-1085OC Am. J. Respir. Crit. Care Med., Volume 175, Number 8, April 2007, 840-845 A more recent version of this article appeared on April 15, 2007
Submitted on August 3, 2006 Effects of the Irish Smoking Ban on Respiratory Health of Bar Workers and Air Quality in Dublin PubsPatrick Goodman1,1 School of Physics, DIT, Dublin, Ireland, 2 Respiratory Laboratory, St James's Hospital, Dublin, Ireland, 3 Department of Environmental Health, HSE, Dublin, Ireland, 4 Department of Epidemiology, Trinity College, Dublin, Ireland, 5 Department of Research, Research Institute for a Tobacco Free Society, Dublin, Ireland * To whom correspondence should be addressed. E-mail: lclancy{at}tri.ie.
Background Environmental tobacco smoke (ETS) causes disease in non-smokers. Workplace bans on smoking are interventions to reduce exposure to ETS to try to prevent harmful health effects. The Irish Government on the 29th March 2004 introduced the first national comprehensive legislation banning smoking in all workplaces including bars and restaurants. This study examines the impact of this legislation on air quality in pubs and on respiratory health effects in bar workers in Dublin. Methods Exposure study Concentrations of PM2.5 and PM10 particulate matter in 42 pubs were measured and compared before and after the ban. Benzene concentrations were also measured in 26 of the pubs. Health effects study Eighty one (81) barmen volunteered to have full pulmonary function studies, exhaled breath carbon monoxide (CO) and salivary cotinine levels performed before the ban and repeated one year later after the ban. They also completed questionnaires on exposure to environmental tobacco smoke (ETS) and respiratory symptoms on both occasions. Findings Pub air study There was an 83% reduction in PM2.5 and an 80.2% reduction in Benzene concentration in the bars. Barmen study There was a 79% reduction in exhaled breath CO and an 81% reduction in salivary cotinine. There were statistically significant improvements in measured pulmonary function tests (PFTs) and significant reductions in self reported symptoms and exposure levels in volunteer non-smoking barmen after the ban. Conclusions A total workplace smoking ban results in a significant reduction in air pollution in pubs and an improvement in respiratory health in barmen. Key words: smoking ban, exposure, health benifits
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