Prevalence of e-cigarette in China: preliminary findings from two surveys
Guoze Feng 1  
,  
Yi Nan 1
,  
 
 
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Chinese Center for Disease Control and Prevention, Tobacco Control Office, China
Publish date: 2018-03-01
 
Tob. Induc. Dis. 2018;16(Suppl 1):A271
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ABSTRACT
Background:
China is the world´s largest tobacco producer and consumer, in recent years has become the world´s largest producer of e-cigarette. According to media reports, China-made e-cigarette is mainly exported to foreign countries, and e-cigarette are not popular in China, but such conclusions need support from surveillance data.

Methods:
Data of 2015 China Adult Tobacco Survey (CATS) and International Tobacco Control Policy Evaluation Project China Survey (ITC China Survey) were analyzed to describe rate of awareness and prevalence on e-cigarette. 2015 CATS is a nationally representative cross-sectional survey of adults aged 15 and over. ITC China survey is a cohort study designed to measure the impact of tobacco control policies on tobacco users over time. Between 2006 and 2015, five survey waves were conducted among a cohort of adult smokers and non-smokers in China.

Results:
The CATS found that 40.5% of adults had heard of e-cigarette and 3.1% of adults had ever tried e-cigarette, these two rates are higher among male, urban, young and educated groups. Only 0.5% of adults reported using e-cigarette currently, but most of them are occasional users. ITC China survey revealed that the percentage of smokers who had ever heard of e-cigarette went up from 29% (wave 3, 2009) to 60% (wave5, 2014). Similarly, percentage of smokers who had ever tried e-cigarette went up from 2% (wave3, 2009) to 11% (wave5, 2014). Among smokers who had tried e-cigarette at Wave 5, only 8% reported they were using currently.

Conclusions:
Although rate of current e-cigarette use is relatively low, attention should be paid to the fact that rate of awareness and ever tried use were going up among smokers. E-cigarette prevalence indicators should be included in tobacco use monitoring system, and more researches need be conducted to understand the characteristics of the population using e-cigarette.

eISSN:1617-9625