Prevalence of e-cigarette users in New South Wales

Electronic cigarette (e-cigarette) use has grown rapidly in parts of the world, the United Kingdom and United States in particular.1,2 In Australia, evidence is lacking regarding how widely e-cigarettes are used, for what purpose and by whom. There is vigorous debate over the harms and benefits of e-cigarettes, including whether they are the next big thing in smoking cessation or whether they will act as a gateway to tobacco smoking.3,4 The first step towards being able to answer these important questions is to understand the profile and prevalence of e-cigarette users.