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Appears in Collections:Faculty of Health Sciences and Sport Journal Articles
Peer Review Status: Refereed
Title: Impact of Scottish smoke-free legislation on smoking quit attempts and prevalence
Authors: Mackay, Daniel F
Haw, Sally
Pell, Jill
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Issue Date: Nov-2011
Publisher: Public Library of Science
Citation: Mackay DF, Haw S & Pell J (2011) Impact of Scottish smoke-free legislation on smoking quit attempts and prevalence, PLoS ONE, 6 (11), Art. No.: e26188.
Abstract: OBJECTIVES: In Scotland, legislation was implemented in March 2006 prohibiting smoking in all wholly or partially enclosed public spaces. We investigated the impact on attempts to quit smoking and smoking prevalence. METHODS: We performed time series models using Box-Jenkins autoregressive integrated moving averages (ARIMA) on monthly data on the gross ingredient cost of all nicotine replacement therapy (NRT) prescribed in Scotland in 2003-2009, and quarterly data on self-reported smoking prevalence between January 1999 and September 2010 from the Scottish Household Survey. RESULTS: NRT prescription costs were significantly higher than expected over the three months prior to implementation of the legislation. Prescription costs peaked at £1.3 million in March 2006; £292,005.9 (95% CI £260,402.3, £323,609, p<0.001) higher than the monthly norm. Following implementation of the legislation, costs fell exponentially by around 26% per month (95% CI 17%, 35%, p<0.001). Twelve months following implementation, the costs were not significantly different to monthly norms. Smoking prevalence fell by 8.0% overall, from 31.3% in January 1999 to 23.7% in July-September 2010. In the quarter prior to implementation of the legislation, smoking prevalence fell by 1.7% (95% CI 2.4%, 1.0%, p<0.001) more than expected from the underlying trend. CONCLUSIONS Quit attempts increased in the three months leading up to Scotland's smoke-free legislation, resulting in a fall in smoking prevalence. However, neither has been sustained suggesting the need for additional tobacco control measures and ongoing support.
Type: Journal Article
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Rights: © 2011 Mackay et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Affiliation: University of Glasgow
HS Research - Stirling
University of Glasgow

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