E-cigarettes an evidence update A report commissioned by Public Health England

E-cigarettes: an evidence updateSchmidt et al., 2014 (US)Have you ever used an electronic cigarette, even just one time in your entire life?Do you now use electronic cigarettes every day, some days, rarely, or not at all?Vardavas et al., 2014 (Eurobarometer 27 countries), dichotomised into regularly,occasionally, tried once or twice vs. otherwise; Agaku et al., 2014 (Eurobarometer, 25countries), dichotomised into regularly or occasionally vs. otherwise;Have you ever tried any of the following products? (Electronic cigarettes)1. Yes, you use or used it regularly.2. Yes, you use or used it occasionally.3. Yes, you tried it once or twice.4. No.5. Don’t Know.White et al., 2015, New Zealand national youth tobacco use survey in 2012 and 2014Ever use: Have you ever tried electronic cigarettes?106