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Article: Association of heated tobacco product use with smoking cessation in Chinese cigarette smokers in Hong Kong: a prospective study

TitleAssociation of heated tobacco product use with smoking cessation in Chinese cigarette smokers in Hong Kong: a prospective study
Authors
Keywordscessation
harm reduction
non-cigarette tobacco products
Issue Date2020
PublisherBMJ Publishing Group. The Journal's web site is located at http://tc.bmjjournals.com/
Citation
Tobacco Control, 2020, Epub 2020-09-10 How to Cite?
AbstractIntroduction: Heated tobacco products (HTPs) are increasingly popular worldwide, but whether they aid or undermine cigarette abstinence remains uncertain. We examined the predictors of HTP initiation and the prospective association of HTP use with cigarette abstinence in community-based smokers in Hong Kong. Design: Secondary analysis of a randomised clinical trial aimed to evaluate the effectiveness of brief advice and referral for smoking cessation. The interventions were not related to HTP use. Participants and settings: 1213 carbon monoxide-verified daily cigarette smokers with intentions to quit or reduce smoking proactively recruited from community sites throughout Hong Kong Main exposure: Current (past 7 day) use of HTP at baseline. Main outcome: Self-reported 7-day point-prevalence cigarette abstinence at 6 months (exclusive use of HTP permitted). Results: At baseline, 201 (16.6%) and 60 (4.9%) were ever and current HTP users, respectively. During the 6-month follow-up period, 110 of 1012 (10.9%) never users at baseline initiated HTPs. Younger age and higher education significantly predicted initiation. After adjusting for sociodemographic, smoking-related and quitting-related factors, current HTP use at baseline was not associated with cigarette abstinence at 6 months (adjusted prevalence ratio (aPR) 1.08, 95% CI 0.63 to 1.85). The results were similar in persistent users from baseline to 1-month/3-month follow-up (vs non-users; aPR 1.14, 95% CI 0.57 to 2.29). Use of smoking cessation service between baseline and 3-month follow-up significantly predicted cigarette abstinence (aPR 1.70, 95% CI 1.26 to 2.30). Conclusion: HTP use was not associated with cigarette abstinence at 6 months in a community-based cohort of smokers with intentions to quit or reduce smoking. Trial registration details: ClinicalTrials.gov, NCT03565796.
Persistent Identifierhttp://hdl.handle.net/10722/290817
ISSN
2020 Impact Factor: 7.552
2020 SCImago Journal Rankings: 2.715
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLuk, TT-
dc.contributor.authorWeng, X-
dc.contributor.authorWu, YS-
dc.contributor.authorChan, HL-
dc.contributor.authorLau, CY-
dc.contributor.authorKwong, ACS-
dc.contributor.authorLai, VWY-
dc.contributor.authorLam, TH-
dc.contributor.authorWang, MP-
dc.date.accessioned2020-11-02T05:47:33Z-
dc.date.available2020-11-02T05:47:33Z-
dc.date.issued2020-
dc.identifier.citationTobacco Control, 2020, Epub 2020-09-10-
dc.identifier.issn0964-4563-
dc.identifier.urihttp://hdl.handle.net/10722/290817-
dc.description.abstractIntroduction: Heated tobacco products (HTPs) are increasingly popular worldwide, but whether they aid or undermine cigarette abstinence remains uncertain. We examined the predictors of HTP initiation and the prospective association of HTP use with cigarette abstinence in community-based smokers in Hong Kong. Design: Secondary analysis of a randomised clinical trial aimed to evaluate the effectiveness of brief advice and referral for smoking cessation. The interventions were not related to HTP use. Participants and settings: 1213 carbon monoxide-verified daily cigarette smokers with intentions to quit or reduce smoking proactively recruited from community sites throughout Hong Kong Main exposure: Current (past 7 day) use of HTP at baseline. Main outcome: Self-reported 7-day point-prevalence cigarette abstinence at 6 months (exclusive use of HTP permitted). Results: At baseline, 201 (16.6%) and 60 (4.9%) were ever and current HTP users, respectively. During the 6-month follow-up period, 110 of 1012 (10.9%) never users at baseline initiated HTPs. Younger age and higher education significantly predicted initiation. After adjusting for sociodemographic, smoking-related and quitting-related factors, current HTP use at baseline was not associated with cigarette abstinence at 6 months (adjusted prevalence ratio (aPR) 1.08, 95% CI 0.63 to 1.85). The results were similar in persistent users from baseline to 1-month/3-month follow-up (vs non-users; aPR 1.14, 95% CI 0.57 to 2.29). Use of smoking cessation service between baseline and 3-month follow-up significantly predicted cigarette abstinence (aPR 1.70, 95% CI 1.26 to 2.30). Conclusion: HTP use was not associated with cigarette abstinence at 6 months in a community-based cohort of smokers with intentions to quit or reduce smoking. Trial registration details: ClinicalTrials.gov, NCT03565796.-
dc.languageeng-
dc.publisherBMJ Publishing Group. The Journal's web site is located at http://tc.bmjjournals.com/-
dc.relation.ispartofTobacco Control-
dc.rightsTobacco Control. Copyright © BMJ Publishing Group.-
dc.rightsThis article has been accepted for publication in [Journal, Year] following peer review, and the Version of Record can be accessed online at [insert full DOI eg. http://dx.doi.org/10.1136/xxxxx]. [© Authors (or their employer(s)) OR © BMJ Publishing Group Ltd ( for assignments of BMJ Case Reports)] <year>-
dc.subjectcessation-
dc.subjectharm reduction-
dc.subjectnon-cigarette tobacco products-
dc.titleAssociation of heated tobacco product use with smoking cessation in Chinese cigarette smokers in Hong Kong: a prospective study-
dc.typeArticle-
dc.identifier.emailLuk, TT: lukkevin@hku.hk-
dc.identifier.emailWeng, X: wengxue@connect.hku.hk-
dc.identifier.emailWu, YS: ydswu@hku.hk-
dc.identifier.emailLam, TH: hrmrlth@hkucc.hku.hk-
dc.identifier.emailWang, MP: mpwang@hku.hk-
dc.identifier.authorityLam, TH=rp00326-
dc.identifier.authorityWang, MP=rp01863-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1136/tobaccocontrol-2020-055857-
dc.identifier.pmid32912861-
dc.identifier.hkuros318121-
dc.identifier.volumeEpub 2020-09-10-
dc.identifier.isiWOS:000711061400009-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0964-4563-

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