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E-cigarettes: an evidence update <br /> <br />53 <br />7. Reasons for use and discontinuation <br />Reasons for using e-cigarettes <br />Reasons for using EC have been assessed for adult smokers and ex-smokers in a <br />number of different ways. Across different populations, help to quit smoking and harm <br />reduction were the top reasons endorsed for using EC [44, 53-57]. <br /> <br />In the Internet Cohort GB survey, the list of possible reasons for using EC was extended <br />after the first year (the survey was carried out in 2012, 2013 and 2014). Nevertheless, <br />the most frequently endorsed reasons were health, to cut down and to quit smoking. <br />These were endorsed by approximately 80% of current users at all three time points. <br />The biggest change over time was recorded for ‘they are cheaper’ which appeared to be <br />more popular in 2014 than 2013 (Table 3). Because of the way the question is phrased, <br />a user endorsing a reason does not indicate that current use is for this particular reason, <br />for example, 80% of current users agree that e -cigarettes may help you quit, but this <br />does not mean that 80% of all users were using them in a quit attempt. <br /> <br />Table 3: Internet cohort GB survey, reasons for using e-cigarettes (in order of frequency <br />of endorsement in 2014) <br /> <br />Which of the following were reasons for your using <br />electronic cigarettes? (multiple responses possible) <br />2012 (n=1031) 2013 (n=717) 2014 (n=505) <br />They may make it easier for you to cut down <br />the number of cigarettes you smoke <br />81.0 78.1 79.4 <br />They may not be as bad for your health 81.7 79.8 79.2 <br />They might help you quit 81.8 79.9 79.0 <br />No tobacco smoke not asked 70.9 71.3 <br />They are cheaper not asked 36.1 65.5 <br />The smell or cleanliness not asked 65.4 65 <br />So you can use them in places where <br />smoking regular cigarettes is banned <br />67.2 66.5 61 <br />They may be more socially acceptable not asked 55.8 54.3 <br />Because I enjoy it not asked 38.6 48.7 <br />They taste better 28.5 26.1 34.1 <br />Friends or family use them not asked 37.0 33.3 <br />The technology not asked 34.2 30.3 <br />A health professional advised you to do so not asked 16.7 16.4