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Article: Subtypes of Dual Users of Combustible and Electronic Cigarettes: Longitudinal Changes in Product Use and Dependence Symptomatology

TitleSubtypes of Dual Users of Combustible and Electronic Cigarettes: Longitudinal Changes in Product Use and Dependence Symptomatology
Authors
Issue Date2023
Citation
Nicotine and Tobacco Research, 2023, v. 25, n. 3, p. 438-443 How to Cite?
AbstractIntroduction: Cross-sectional surveys found behavioral heterogeneity among dual users of combustible and electronic cigarettes. Yet, prior classification did not reflect dynamic interactions between cigarette and e-cigarette consumption, which may reveal changes in product-specific dependence. The contexts of dual use that could inform intervention were also understudied. Methods: This study conducted secondary analysis on 13 waves of data from 227 dual users who participated in a 2-year observational study. The k-means method for joint trajectories of cigarette and e-cigarette consumption was adopted to identify the subtypes of dual users. The timevarying effect model was used to characterize the subtype-specific trajectories of cigarette and e-cigarette dependence. The subtypes were also compared in terms of use contexts. Results: The four clusters were identified: light dual users, predominant vapers, heavy dual users, and predominant smokers. Although heavy dual users and predominant smokers both smoked heavily at baseline, by maintaining vaping at the weekly to daily level the heavy dual users were able to considerably reduce cigarette use. Yet, the heavy dual users' drop in cigarette dependence was not as dramatic as their drop in cigarette consumption. Predominant vapers appeared to engage in substitution, as they decreased their smoking and increased their e-cigarette dependence. They were also more likely to live in environments with smoking restrictions and report that their use of e-cigarettes reduced cigarette craving and smoking frequency. Conclusions: Environmental constraints can drive substitution behavior and the substitution behavior is able to be sustained if people find the substitute to be effective. Implications: This study characterizes subtypes of dual users based on the dynamic interactions between cigarette use and e-cigarette use as well as product-specific trajectories of dependence. The subtypes differ in not only sociodemographic characteristics but also contexts of cigarette and e-cigarette use. Higher motivation to use e-cigarettes to quit smoking and less permissive environment for smoking may promote substitution of cigarettes by e-cigarettes.
Persistent Identifierhttp://hdl.handle.net/10722/328852
ISSN
2023 Impact Factor: 3.0
2023 SCImago Journal Rankings: 1.378
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBuu, Anne-
dc.contributor.authorTong, Zhaoxue-
dc.contributor.authorCai, Zhanrui-
dc.contributor.authorLi, Runze-
dc.contributor.authorYang, James J.-
dc.contributor.authorJorenby, Douglas E.-
dc.contributor.authorPiper, Megan E.-
dc.date.accessioned2023-07-22T06:24:37Z-
dc.date.available2023-07-22T06:24:37Z-
dc.date.issued2023-
dc.identifier.citationNicotine and Tobacco Research, 2023, v. 25, n. 3, p. 438-443-
dc.identifier.issn1462-2203-
dc.identifier.urihttp://hdl.handle.net/10722/328852-
dc.description.abstractIntroduction: Cross-sectional surveys found behavioral heterogeneity among dual users of combustible and electronic cigarettes. Yet, prior classification did not reflect dynamic interactions between cigarette and e-cigarette consumption, which may reveal changes in product-specific dependence. The contexts of dual use that could inform intervention were also understudied. Methods: This study conducted secondary analysis on 13 waves of data from 227 dual users who participated in a 2-year observational study. The k-means method for joint trajectories of cigarette and e-cigarette consumption was adopted to identify the subtypes of dual users. The timevarying effect model was used to characterize the subtype-specific trajectories of cigarette and e-cigarette dependence. The subtypes were also compared in terms of use contexts. Results: The four clusters were identified: light dual users, predominant vapers, heavy dual users, and predominant smokers. Although heavy dual users and predominant smokers both smoked heavily at baseline, by maintaining vaping at the weekly to daily level the heavy dual users were able to considerably reduce cigarette use. Yet, the heavy dual users' drop in cigarette dependence was not as dramatic as their drop in cigarette consumption. Predominant vapers appeared to engage in substitution, as they decreased their smoking and increased their e-cigarette dependence. They were also more likely to live in environments with smoking restrictions and report that their use of e-cigarettes reduced cigarette craving and smoking frequency. Conclusions: Environmental constraints can drive substitution behavior and the substitution behavior is able to be sustained if people find the substitute to be effective. Implications: This study characterizes subtypes of dual users based on the dynamic interactions between cigarette use and e-cigarette use as well as product-specific trajectories of dependence. The subtypes differ in not only sociodemographic characteristics but also contexts of cigarette and e-cigarette use. Higher motivation to use e-cigarettes to quit smoking and less permissive environment for smoking may promote substitution of cigarettes by e-cigarettes.-
dc.languageeng-
dc.relation.ispartofNicotine and Tobacco Research-
dc.titleSubtypes of Dual Users of Combustible and Electronic Cigarettes: Longitudinal Changes in Product Use and Dependence Symptomatology-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1093/ntr/ntac151-
dc.identifier.pmid35738022-
dc.identifier.scopuseid_2-s2.0-85147834150-
dc.identifier.volume25-
dc.identifier.issue3-
dc.identifier.spage438-
dc.identifier.epage443-
dc.identifier.eissn1469-994X-
dc.identifier.isiWOS:000823571800001-

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