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E-cigarettes: an evidence update <br /> <br />32 <br />Experimentation increased with age: 2.9% of 11 -year olds and 20.2% of 18-year olds <br />had tried EC. In comparison, among 11-year olds, 3.9% had tried cigarettes (0.7% <br />current smokers), whereas 40.9% of 18-year olds had tried cigarettes (14.3% current <br />smokers). <br /> <br />Use of EC was very closely linked with smoking status. Among never smokers, 0.3% <br />used EC monthly or more often, compared with 10.0% of ever smokers and 19.1% of <br />current smokers. The majority of EC users had tried tobacco cigarettes first (Table 2). <br /> <br />Table 2: E-cigarette use among young people <br /> Source Ever <br />tried <br />Use more <br />than /at <br />least once <br />a month <br />Use more <br />than once <br />a week <br />Use (at <br />least <br />monthly) <br />in never <br />smokers <br />Those using <br />e-cigarettes <br />who had <br />tried <br />tobacco <br />first <br />ASH Smokefree GB youth <br />survey (11-18 years) 1 <br />(2015 – March) <br />12.7% 1.9% 0.5% 0.1% 63.7% <br />Health Behaviour in School- <br />aged Children, Wales (11-16 <br />years) <br />(Nov 2013 – Feb 2014) [18] 2 <br />12.3% 1.5% Not <br />reported <br />0.3% Not <br />reported <br /> <br /> <br />CHETS Wales survey <br />(10—11 year olds)[19] 2014 <br />5.8% Not <br />reported <br />Not <br />reported <br />Not <br />reported <br />Not <br />reported <br />SALSUS Scotland survey <br />(15 and 13 year olds)[20] <br />2013/2014 <br />12% <br /> <br />0.4% <br /> <br /> <br /> <br />0% 0% Not <br />reported <br /> <br />1For question on e-cigarette categories please see Appendix B. Use more than/ at least once a month excludes <br />those using more than once a week who are reported separately <br />2 N=9055, use defined as at least monthly <br /> <br />Similar findings have been observed in Scotland. A national survey carried out in 283 <br />schools across Scotland in late 2013/early 2014 involved more than 33,000 <br />schoolchildren aged 13 and 15 years old [20]. Seven per cent of 13-year olds, and 17% <br />of 15-year olds, had ever used an EC. Trial was associated with smoking status – 4% of <br />never smokers had tried EC (3% trying them once and 1% having tried a few times) <br />compared with 24% of ever smokers, 39% of ex-smokers, 46% of occasional smokers <br />and 66% of regular smokers. Eleven per cent of regular smokers and 6% of occasional <br />smokers reported using e-cigarettes at least monthly. <br /> <br />Very similar findings have been reported from a survey in Wales (Table 2). A survey of <br />secondary schoolchildren was carried out under the auspices of the Health Behaviour of