Dataset Information

Is dual use of nicotine products and cigarettes associated with smoking reduction and cessation behaviours? A prospective study in England.

ABSTRACT:

Objectives

To investigate associations of dual use of e-cigarettes and cigarettes with subsequent quitting activity (smoking reduction, quit attempts and use of evidence-based cessation aids). To overcome potential confounding by factors associated with use of pharmacological support, we selected dual use of over-the-counter nicotine replacement therapy (OTC NRT) and cigarettes as a behavioural control.

Design

Prospective cohort study with 6-month follow-up.

Setting

England, 2014-2016.

Participants

413 current smokers participating in the Smoking Toolkit Study, a representative survey of adults in England, who reported current use of e-cigarettes or OTC NRT and provided data at 6-month follow-up.

Main outcome measures

The exposure was dual use of e-cigarettes or OTC NRT at baseline. Outcomes were change in cigarette consumption, quit attempts and use of evidence-based cessation aids during quit attempts over 6-month follow-up. Relevant sociodemographic and smoking characteristics were included as covariates.

Results

After adjustment for covariates, dual e-cigarette users smoked two fewer cigarettes per day at follow-up than at baseline compared with dual OTC NRT users (B=2.01, 95% CI -3.62; -0.39, p=0.015). While dual e-cigarette users had 18% lower odds than dual OTC NRT users to make a quit attempt at follow-up (risk ratio (RR) 0.82, 95% CI 0.67 to 1.00, p=0.049), the groups did not differ in use of cessation aids (RR 1.06, 95% CI 0.93 to 1.21, p=0.388).

Conclusions

Dual use of e-cigarettes is associated with a greater reduction in cigarette consumption than dual use of OTC NRT. It may discourage a small proportion of users from making a quit attempt compared with dual OTC NRT use but it does not appear to undermine use of evidence-based cessation aids.

SUBMITTER: Jackson SE

PROVIDER: S-EPMC7073794 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Publications

Is dual use of nicotine products and cigarettes associated with smoking reduction and cessation behaviours? A prospective study in England.

Jackson Sarah E SE Farrow Emma E Brown Jamie J Shahab Lion L

BMJ open 20200315 3

<h4>Objectives</h4>To investigate associations of dual use of e-cigarettes and cigarettes with subsequent quitting activity (smoking reduction, quit attempts and use of evidence-based cessation aids). To overcome potential confounding by factors associated with use of pharmacological support, we selected dual use of over-the-counter nicotine replacement therapy (OTC NRT) and cigarettes as a behavioural control.<h4>Design</h4>Prospective cohort study with 6-month follow-up.<h4>Setting</h4>England ...[more]

PMID: 32179563

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Dataset Information

Is dual use of nicotine products and cigarettes associated with smoking reduction and cessation behaviours? A prospective study in England.

Objectives

Design

Setting

Participants

Main outcome measures

Results

Conclusions

Publications

Is dual use of nicotine products and cigarettes associated with smoking reduction and cessation behaviours? A prospective study in England.

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