(See: Borderud SP, Li Y, Burkhalter JE, Sheffer CE, Ostroff JS. Electronic cigarette use among cancer patients: Characteristics of e-cigarette users and their smoking cessation outcomes. Cancer. Published online ahead of print on September 22, 2014. doi: 10.1002/cncr.28810.)

The study involves a survey of 949 adult smokers who were interviewed at baseline in 2011 and followed up one year later. Of these smokers, at baseline, 88 had tried electronic cigarettes in the past month (that is, they had used electronic cigarettes at least once).

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