Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/25679
Appears in Collections:Faculty of Social Sciences Journal Articles
Peer Review Status: Refereed
Title: Relationship between trying an electronic cigarette and subsequent cigarette experimentation in Scottish adolescents: a cohort study (Forthcoming/Available Online)
Authors: Best, Catherine
Haseen, Farhana
Currie, Dorothy
Ozakinci, Gozde
MacKintosh, Anne Marie
Stead, Martine
Eadie, Douglas
MacGregor, Andy
Pearce, Jamie
Amos, Amanda
Frank, John W
Haw, Sally
Contact Email: catherine.best2@stir.ac.uk
Issue Date: 22-Jul-2017
Citation: Best C, Haseen F, Currie D, Ozakinci G, MacKintosh AM, Stead M, Eadie D, MacGregor A, Pearce J, Amos A, Frank JW & Haw S (2017) Relationship between trying an electronic cigarette and subsequent cigarette experimentation in Scottish adolescents: a cohort study (Forthcoming/Available Online), Tobacco Control.
Abstract: Background This study examines whether young never smokers in Scotland, UK, who have tried an e-cigarette are more likely than those who have not, to try a cigarette during the following year.  Methods Prospective cohort survey conducted in four high schools in Scotland, UK during February/March 2015 (n=3807) with follow-up 1 year later. All pupils (age 11–18) were surveyed. Response rates were high in both years (87% in 2015) and 2680/3807 (70.4%) of the original cohort completed the follow-up survey. Analysis was restricted to baseline ‘never smokers’ (n=3001/3807), 2125 of whom were available to follow-up (70.8%).  Results At baseline, 183 of 2125 (8.6%) never smokers had tried an e-cigarette and 1942 had not. Of the young people who had not tried an e-cigarette at baseline, 249 (12.8%) went on to try smoking a cigarette by follow-up. This compares with 74 (40.4%) of those who had tried an e-cigarette at baseline. This effect remained significant in a logistic regression model adjusted for smoking susceptibility, having friends who smoke, family members’ smoking status, age, sex, family affluence score, ethnic group and school (adjusted OR 2.42 (95% CI 1.63 to 3.60)). There was a significant interaction between e-cigarette use and smoking susceptibility and between e-cigarette use and smoking within the friendship group.  Conclusions Young never smokers are more likely to experiment with cigarettes if they have tried an e-cigarette. Causality cannot be inferred, but continued close monitoring of e-cigarette use in young people is warranted.
URL: http://tobaccocontrol.bmj.com/content/early/2017/07/22/tobaccocontrol-2017-053691
DOI Link: http://dx.doi.org/10.1136/tobaccocontrol-2017-053691
Rights: © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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