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Article: Electronic cigarette use and its association with smoking in Hong Kong Chinese adolescents

TitleElectronic cigarette use and its association with smoking in Hong Kong Chinese adolescents
Authors
KeywordsAdolescents
Chinese
E-cigarettes
Smoking
Issue Date2015
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/addictbeh
Citation
Addictive Behaviors, 2015, v. 50, p. 124-127 How to Cite?
AbstractBACKGROUND: Electronic cigarettes (e-cigarettes) are increasingly used in adolescents with unknown impacts on conventional cigarette smoking. We examined the associations of e-cigarette use with smoking intention, nicotine addiction and smoking cessation in Chinese adolescents. METHODS: A total of 45,128 students (age 14.6±1.9; boys 51.4%) from 75 randomly selected schools in Hong Kong reported e-cigarette use (in the past 30days), conventional cigarette use and socio-demographic characteristics in an anonymous questionnaire survey. Adjusted odds ratios (AORs) of intention to smoke, morning smoking urge, intention to quit and quit attempts; and beta-coefficient (β) of cigarette consumption per day were calculated in relation to e-cigarette use. RESULTS: E-cigarette use was associated with intention to smoke with an AOR (95% CI) of 1.74 (1.30-2.31) in all students, 2.18 (1.12-4.23) in never and 2.79 (2.05-3.79) in ever smokers (non-significant interaction by smoking status). The associations were also significant in experimental and former smokers but not in current smokers. In current smokers, e-cigarette use was significantly associated with heavier smoking (β 2.54, 95% CI 1.28-3.81) and morning smoking urge (AOR 2.54, 95% CI 1.50-3.11), and non-significantly associated with lower quit intention (0.76, 0.52-1.09) and attempts (0.80, 0.56-1.23). CONCLUSIONS: E-cigarette use was associated with smoking intention in never, experimental and former smokers in Hong Kong Chinese adolescents. In current smokers, e-cigarette use was associated with nicotine addiction but not quit intention and attempts. Prospective studies with detailed measurements on e-cigarette use are warranted for further studies. Copyright © 2015 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/212514
ISSN
2020 Impact Factor: 3.913
2020 SCImago Journal Rankings: 1.520
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, MP-
dc.contributor.authorHo, DSY-
dc.contributor.authorLeung, LT-
dc.contributor.authorLam, TH-
dc.date.accessioned2015-07-21T02:38:15Z-
dc.date.available2015-07-21T02:38:15Z-
dc.date.issued2015-
dc.identifier.citationAddictive Behaviors, 2015, v. 50, p. 124-127-
dc.identifier.issn0306-4603-
dc.identifier.urihttp://hdl.handle.net/10722/212514-
dc.description.abstractBACKGROUND: Electronic cigarettes (e-cigarettes) are increasingly used in adolescents with unknown impacts on conventional cigarette smoking. We examined the associations of e-cigarette use with smoking intention, nicotine addiction and smoking cessation in Chinese adolescents. METHODS: A total of 45,128 students (age 14.6±1.9; boys 51.4%) from 75 randomly selected schools in Hong Kong reported e-cigarette use (in the past 30days), conventional cigarette use and socio-demographic characteristics in an anonymous questionnaire survey. Adjusted odds ratios (AORs) of intention to smoke, morning smoking urge, intention to quit and quit attempts; and beta-coefficient (β) of cigarette consumption per day were calculated in relation to e-cigarette use. RESULTS: E-cigarette use was associated with intention to smoke with an AOR (95% CI) of 1.74 (1.30-2.31) in all students, 2.18 (1.12-4.23) in never and 2.79 (2.05-3.79) in ever smokers (non-significant interaction by smoking status). The associations were also significant in experimental and former smokers but not in current smokers. In current smokers, e-cigarette use was significantly associated with heavier smoking (β 2.54, 95% CI 1.28-3.81) and morning smoking urge (AOR 2.54, 95% CI 1.50-3.11), and non-significantly associated with lower quit intention (0.76, 0.52-1.09) and attempts (0.80, 0.56-1.23). CONCLUSIONS: E-cigarette use was associated with smoking intention in never, experimental and former smokers in Hong Kong Chinese adolescents. In current smokers, e-cigarette use was associated with nicotine addiction but not quit intention and attempts. Prospective studies with detailed measurements on e-cigarette use are warranted for further studies. Copyright © 2015 Elsevier Ltd. All rights reserved.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/addictbeh-
dc.relation.ispartofAddictive Behaviors-
dc.rightsCopyright © 2015 Elsevier Ltd.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectAdolescents-
dc.subjectChinese-
dc.subjectE-cigarettes-
dc.subjectSmoking-
dc.titleElectronic cigarette use and its association with smoking in Hong Kong Chinese adolescents-
dc.typeArticle-
dc.identifier.emailWang, MP: mpwang@hku.hk-
dc.identifier.emailHo, DSY: syho@hku.hk-
dc.identifier.emailLam, TH: hrmrlth@hkucc.hku.hk-
dc.identifier.authorityWang, MP=rp01863-
dc.identifier.authorityHo, DSY=rp00427-
dc.identifier.authorityLam, TH=rp00326-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.addbeh.2015.06.037-
dc.identifier.pmid26132536-
dc.identifier.scopuseid_2-s2.0-84935014601-
dc.identifier.hkuros244892-
dc.identifier.volume50-
dc.identifier.spage124-
dc.identifier.epage127-
dc.identifier.isiWOS:000359167000021-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0306-4603-

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