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PUBLIC RELEASE DATE:
16-Jun-2014

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Contact: Emma Dickinson
edickinson@bmj.com
44-020-738-36529
BMJ-British Medical Journal

E-cigarettes in Europe mostly used by current smokers or would-be quitters

Widespread use underlines need for evaluation of health impact and role in quitting and/or nicotine addiction, say researchers

E-cigarettes are mostly used by current smokers or would-be quitters, reveals an analysis of their uptake across 27 European countries, published online in Tobacco Control.

But their widespread use among more than 29 million people underlines the need to evaluate the potential long term impact of e-cigarettes on health and their role in smoking cessation and/or nicotine addiction say the researchers.

E-cigarettes are battery operated devices, which are designed to provide a similar nicotine hit and sensory sensation to conventional cigarettes, but without the harmful carcinogens produced by the burning of tobacco.

They have been promoted as a 'healthier' alternative to cigarettes or as a smoking cessation aid. But the tobacco industry has invested heavily in this rapidly emerging market. And some public health experts see e-cigarettes as an easy route to nicotine addiction and/or as 'renormalising' cigarette smoking.

In a bid to gauge perceptions of e-cigarettes and their use across Europe, the researchers analysed data from the 2012 Eurobarometer 385 survey, involving more than 26,500 adults from 27 countries within the European Union. The sample from each country was proportional to its population size and density.

Respondents were asked if they had ever tried e-cigarettes, and how often; whether they had ever heard of them; and whether they thought they were harmful or not to health.

Current smokers were additionally asked if they had attempted to give up smoking during the previous 12 months, and whether they had used e-cigarettes to do this. And they were asked what factors influenced their choice of cigarette brand.

The results showed that e-cigarette users were more likely to be younger - between 15 and 24 - current smokers of up to 20 cigarettes a day, and to have made at least one attempt to stub out their habit over the past year.

Age was the strongest predictor of e-cigarette use, with under 25s more than three times as likely to have tried an e-cigarette as those aged 55 and above.

And would-be quitters over the past year were twice as likely to have tried an e-cigarette as those who had not tried to quit.

Extrapolating the figures to the EU population as a whole in 2012 indicates that 29.3 million adults across the 27 countries have tried e-cigarettes, say the researchers.

Other findings:

"Stressing the fact that age was the strongest determinant of e-cigarette use throughout EU, our study's implications are strategically important for European policy makers," write the authors.

"On the one hand, quitting tobacco use at an earlier age would substantially benefit individuals and public health. However, the renormalisation of smoking or 'vaping' in this context, or maintained nicotine addiction, may significantly hinder efforts to stop tobacco use," they conclude.

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[Determinants and prevalence of e-cigarette use throughout the European Union: a secondary analysis of 26 566 youth and adults from 27 countries Online First doi 10.1136/tobaccocontrol-2013-051394]



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