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Int. J. Environ. Res. Public Health 2016, 13(5), 465;

Electronic Cigarettes Use and Intention to Cigarette Smoking among Never-Smoking Adolescents and Young Adults: A Meta-Analysis

Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou 310051, China
Yidu Central Hospital of Weifang, 4138 Linglong Road, Qingzhou 262500, China
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 23 February 2016 / Revised: 24 April 2016 / Accepted: 28 April 2016 / Published: 3 May 2016
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Electronic cigarettes (e-cigarettes) use is becoming increasingly common, especially among adolescents and young adults, and there is little evidence on the impact of e-cigarettes use on never-smokers. With a meta-analysis method, we explore the association between e-cigarettes use and smoking intention that predicts future cigarette smoking. Studies were identified by searching three databases up to January 2016. The meta-analysis results were presented as pooled odds ratio (OR) with 95% confidence interval (CI) calculated by a fixed-effects model. A total of six studies (91,051 participants, including 1452 with ever e-cigarettes use) were included in this meta-analysis study. We found that never-smoking adolescents and young adults who used e-cigarettes have more than 2 times increased odds of intention to cigarette smoking (OR = 2.21, 95% CI: 1.86–2.61) compared to those who never used, with low evidence of between-study heterogeneity (p = 0.28, I2 = 20.1%). Among never-smoking adolescents and young adults, e-cigarettes use was associated with increased smoking intention. View Full-Text
Keywords: electronic cigarette; smoking intention; meta-analysis electronic cigarette; smoking intention; meta-analysis

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Zhong, J.; Cao, S.; Gong, W.; Fei, F.; Wang, M. Electronic Cigarettes Use and Intention to Cigarette Smoking among Never-Smoking Adolescents and Young Adults: A Meta-Analysis. Int. J. Environ. Res. Public Health 2016, 13, 465.

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