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Table 1 Recruitment methods used in each country

From: Effects of a Fact Sheet on beliefs about the harmfulness of alternative nicotine delivery systems compared with cigarettes

Country Sample size Recruitment of study sample
Australia 170 In Australia we initially recruited 391 smokers to a survey on a smoking cessation website (http://www.quit.org.au). After the initial survey, smokers of 10+ cigarettes per day who said they were not planning to quit in the next month were told about the possibility of participating in a study that involved trying some alternatives to cigarettes. A total of 170 completed the second survey. Both surveys were completed on the internet.
Sweden 187 In Sweden a sample of 213 daily smokers (without specific selection criteria) were recruited from an internet panel and of these 187 completed the second survey.
United Kingdom 101 In the UK participants were recruited through advertisements in local newspapers about a study on alternatives to cigarettes. 101 of 144 completed the two surveys. Pencil and paper surveys were used.
United States 59 In the US participants were recruited through advertisements in local newspapers about a study on alternatives to cigarettes. 59 of 67 completed the two surveys. In the US sample, subjects attended the research site on both occasions.