• Lauren Collins, Allison M Glasser, Haneen Abudayyeh, Jennifer L Pearson, and Andrea C Villanti.
• The Schroeder Institute for Tobacco Research and Policy Studies at Truth Initiative, Washington, DC.
• Nicotine Tob. Res. 2019 Jan 1; 21 (1): 14-24.

IntroductionGiven the lack of regulation on marketing of electronic cigarettes (e-cigarettes) in the United States and the increasing exchange of e-cigarette-related information online, it is critical to understand how e-cigarette companies market e-cigarettes and how the public engages with e-cigarette information.MethodsResults are from a systematic review of peer-reviewed literature on e-cigarettes via a PubMed search through June 1, 2017. Search terms included: "e-cigarette*" or "electronic cigarette" or "electronic cigarettes" or "electronic nicotine delivery" or "vape" or "vaping." Experimental studies, quasi-experimental studies, observational studies, qualitative studies, and mixed methods studies providing empirical findings on e-cigarette marketing and communication (ie, nonmarketing communication in the public) were included.ResultsOne hundred twenty-four publications on e-cigarette marketing and communication were identified. They covered topics including e-cigarette advertisement claims/promotions and exposure/receptivity, the effect of e-cigarette advertisements on e-cigarette and cigarette use, public engagement with e-cigarette information, and the public's portrayal of e-cigarettes. Studies show increases in e-cigarette marketing expenditures and online engagement through social media over time, that e-cigarettes are often framed as an alternative to combustible cigarettes, and that e-cigarette advertisement exposure may be associated with e-cigarette trial in adolescents and young adults.DiscussionFew studies examine the effects of e-cigarette marketing on perceptions and e-cigarette and cigarette use. Evidence suggests that exposure to e-cigarette advertisements affects perceptions and trial of e-cigarettes, but there is no evidence that exposure affects cigarette use. No studies examined how exposure to e-cigarette communication, particularly misleading or inaccurate information, impacts e-cigarette, and tobacco use behaviors.ImplicationsThe present article provides a comprehensive review of e-cigarette marketing and how the public engages with e-cigarette information. Studies suggest an association between exposure to e-cigarette marketing and lower harm perceptions of e-cigarettes, intention to use e-cigarettes, and e-cigarette trial, highlighting the need to for advertising regulations that support public health goals. Findings from this review also present the methodological limitations of the existing research (primarily due to cross-sectional and correlational analyses) and underscore the need for timely, rigorous research to provide an accurate understanding of e-cigarette marketing and communication and its impact on e-cigarette and tobacco product use.

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