Publisher: E.U.E.P. European Publishing
Journal: Tobacco Induced Diseases
Subjects: WCTOH, Diseases of the respiratory system, RC705-779, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
E-cigarettes have become increasingly popular. We
examined perceptions of e-cigarettes, and their associations with e-cigarette
use, frequency of use, and use susceptibility among young adults in Hong Kong.
An online survey was administered to 1,186 Hong
Kong residents aged 18-35 in 2016-17. On a 0-10 visual scale, participants
rated the perceived harm of e-cigarettes, perceived harm of secondhand exposure
to e-cigarette aerosols, and perceived addictiveness. An overall perception
score was calculated by averaging the values of non-missing perception items. Multinomial
logistic regression examined the relationship of the overall perception score with
former and current e-cigarette use relative to never use, controlling for age,
gender, education, place of birth, current cigarette smoking, and perceived popularity
of e-cigarettes among peers. Bivariate exact logistic regression assessed the
association between perceptions and frequency of e-cigarette use (“≥3 days” vs. “1-2 days” in past 30-day) among current users. Multivariate logistic
regression assessed the relationship between perceptions and e-cigarette
susceptibility among never users.
97.2% of participants were aware of
e-cigarettes, and 16.1% had ever used e-cigarettes (11.3% former users; 4.8%
current users). Of current e-cigarette users, 63.2% reported infrequent use.
Among never users, 34.0% were susceptible to e-cigarette use. E-cigarettes were
perceived as less harmful and less addictive than cigarettes, particularly
among current cigarette smokers. Low overall perception score was associated
with former and current e-cigarette use, frequent use, and use susceptibility.
Current cigarette smoking and perceived higher popularity of e-cigarettes were
also related to e-cigarette use. Current cigarette smoking was associated with e-cigarette
Continued surveillance on e-cigarette use is
needed. Interventions must address the conceptions about e-cigarettes. Health
communication messages emphasizing the harmful and addictive nature of
e-cigarette use and secondhand exposure to e-cigarette aerosols, and health
warning labels on e-cigarette packages may help reduce e-cigarette use in young
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