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Does E-Cigarette Advertising Increase Consumer Preference for E-Cigarettes? A Systematic Review and Meta-Analysis

32 Pages Posted: 3 Feb 2020

See all articles by Xin Shen

Xin Shen

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Yan He

Zhengzhou University - College of Public Health

Chuanzhu Lv

Hainan Medical University - Department of Emergency; Hainan Medical University - Emergency and Trauma College; Hainan Medical University - Key Laboratory of Emergency and Trauma of Ministry of Education

Hongbin Xu

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Yong Gan

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Yanhong Gong

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Zuxun Lu

Huazhong University of Science and Technology (Formerly Tongi Medical University) - School of Public Health; Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management; Huazhong University of Science and Technology (Formerly Tongi Medical University) - School of Medicine and Health Management

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Abstract

Background: Studies show that some harmful components of nicotine-containing e-cigarettes are higher than in traditional cigarettes. Whether nicotine-cigarette advertising should be banned has become a hot topic, although there is a lack of comprehensive data analysis on the issue. Our study aimed to assess the association between e-cigarette advertising and consumers’ e-cigarette preferences and provide the basis for formulating a more appropriate e-cigarette advertising policy.

Methods: Relevant studies were identified by conducting a literature search via the PubMed, EMBASE, Web of Science, and CENTRAL databases until October 2019. We included randomized controlled trials (RCTs), cohort studies, and cross-sectional studies that reported Odds Ratio (OR) with a 95% Confidence Interval (CI) for the effect of e-cigarette advertising on consumers’ e-cigarette preferences.

Results: Fifteen studies, including 94,031 participants, met the inclusion criteria. The pooled OR was 1.34 (95% CI: 1.28-1.40, I2 = 54.0%, P = 0.002). Of 15 studies, 3 cohort studies (OR = 1.32, 95% CI: 1.08-1.56), 5 cross-sectional studies (OR = 1.33, 95% CI: 1.28-1.40), and 7 RCTs (OR= 1.43, 95% CI: 1.17-1.69) were pooled separately via the random-effects model. In the subgroup analyses, the increased preferences were more evident in non-smokers (OR = 1.41, 95% CI: 1.29-1.43), adolescents (OR = 1.54, 95% CI: 1.42-1.66), and participants from the United States (OR = 1.56, 95% CI: 1.42-1.70).

Conclusions: This study suggested that e-cigarette advertising was associated with a 34% increase in consumers’ e-cigarette preferences, which could be used to remind policymakers to control e-cigarette advertising, especially for nicotine-containing e-cigarettes.

Funding Statement: This study was funded by Huazhong University of Science and Technology Double First-Class Funds for Humanities and Social Sciences.

Declaration of Interests: The authors declare that they have no conflict of interests.

Ethics Approval Statement: Ethical approval is not required for this systematic review.

Keywords: e-cigarette advertising; consumers' e-cigarette preferences; policy; systematic review; meta-analysis

Suggested Citation

Shen, Xin and He, Yan and Lv, Chuanzhu and Xu, Hongbin and Gan, Yong and Gong, Yanhong and Lu, Zuxun, Does E-Cigarette Advertising Increase Consumer Preference for E-Cigarettes? A Systematic Review and Meta-Analysis (January 17, 2020). Available at SSRN: https://ssrn.com/abstract=3521425 or http://dx.doi.org/10.2139/ssrn.3521425

Xin Shen

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Wuhan
China

Yan He

Zhengzhou University - College of Public Health

Zhengzhou, Henan
China

Chuanzhu Lv

Hainan Medical University - Department of Emergency

China

Hainan Medical University - Emergency and Trauma College

China

Hainan Medical University - Key Laboratory of Emergency and Trauma of Ministry of Education

Hainan
China

Hongbin Xu

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Wuhan
China

Yong Gan

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Wuhan
China

Yanhong Gong

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management

Wuhan
China

Zuxun Lu (Contact Author)

Huazhong University of Science and Technology (Formerly Tongi Medical University) - School of Public Health ( email )

1037 Luoyu Rd
Wuhan
China

Huazhong University of Science and Technology (Formerly Tongi Medical University) - Department of Social Medicine and Health Management ( email )

Wuhan
China

Huazhong University of Science and Technology (Formerly Tongi Medical University) - School of Medicine and Health Management

13 Hangkong Road
Qiaokou District
Wuhan, 430030
China

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