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Associations between the national 'Swap to Stop' programme offering free vapes for smoking cessation and quit
Vera Helen Buss1,2, Emma Beard3, Lion Shahab1
1Department of Behavioural Science and Health, University College London, London, UK.
Background And Aims:
Vapes are effective for smoking cessation. The UK Government launched the Swap to Stop initiative in England in December 2023, aiming to encourage people to quit smoking by providing free vape starter kits alongside behavioural support. This study aimed to assess the association between the introduction of Swap to Stop and the proportion of people in England who tried to quit smoking using vapes in the past year.
Design:
Data came from the Smoking Toolkit Study, a monthly cross-sectional population-based survey. The primary analysis used an interrupted time-series approach based on Autoregressive Integrated Moving Average (ARIMA) regression models.
Setting:
Telephone interviews with people residing in private households in England between December 2021 and December 2024.
Participants:
People aged ≥16 years who smoked in the past year.
Measurements:
The outcome was vape use during past-year quit attempts. The intervention effect was included as a step change in December 2023 to indicate the start of the Swap to Stop programme. The model also included a dummy variable to adjust for above-inflation tobacco tax increases.
Findings:
The primary analysis indicated that the introduction of Swap to Stop in December 2023 was associated with a 1.5 absolute percentage point increase (adjusted B = 0.015, 95% confidence interval = 0.005-0.025) in the proportion of people in England using vapes in past-year quit attempts that persisted to December 2024.
Conclusions:
The introduction of Swap to Stop (which provides free vape starter kits with behavioural support to quit smoking) in England appears to be associated with a statistically significant increase in quit attempts using vapes.
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