Evaluation of the London Smoking Cessation Transformation Programme: a multi-component citywide smoking cessation programme
PHE ePoster Library. Brown J. 09/12/19; 274406; 206
Dr. Jamie Brown
Dr. Jamie Brown
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Abstract
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Abstract Objective: To assess the impact of the London Smoking Cessation Transformation Programme, a multi-component citywide smoking cessation programme, on quit attempts and quit success rates.
Method
The programme began in September 2017. It included mass media and online advertisements, an online portal to access cessation support, and offer of a dedicated telephone helpline. We used data from 55,528 past-year adult smokers who participated in a monthly series of nationally-representative cross-sectional surveys in England between November 2006 and August 2018. 12.5% of smokers lived in London (intervention region) and 87.5% lived in the rest of England (control region). Interrupted time-series analyses, using ARIMA and Generalised Additive Models (GAM), modelled population trends in the difference between monthly quit attempts and quit success rates among smokers who made a quit attempt in London versus the rest of England before and during the first year of the programme.
Results
The monthly difference in prevalence of quit attempts in London compared with the rest of England increased by 9.59% (95%CI=4.35-14.83, p<0.001) from a mean of 0.04% pre-intervention to 9.63% post-intervention. The observed increase in success rates among those who tried was not statistically significant (B=4.72; 95%CI=-2.68-12.11, p=0.21); Bayes factors indicated these data were insensitive. GAM analyses confirmed these results.
Conclusion
The promotion of the London Smoking Cessation Transformation Programme during September 2017 was associated with a significant increase in quit attempts compared with the rest of England. The results were inconclusive regarding an effect on quit success among those who tried. External funding details Cancer Research UK (C1417/A22962)
Abstract Objective: To assess the impact of the London Smoking Cessation Transformation Programme, a multi-component citywide smoking cessation programme, on quit attempts and quit success rates.
Method
The programme began in September 2017. It included mass media and online advertisements, an online portal to access cessation support, and offer of a dedicated telephone helpline. We used data from 55,528 past-year adult smokers who participated in a monthly series of nationally-representative cross-sectional surveys in England between November 2006 and August 2018. 12.5% of smokers lived in London (intervention region) and 87.5% lived in the rest of England (control region). Interrupted time-series analyses, using ARIMA and Generalised Additive Models (GAM), modelled population trends in the difference between monthly quit attempts and quit success rates among smokers who made a quit attempt in London versus the rest of England before and during the first year of the programme.
Results
The monthly difference in prevalence of quit attempts in London compared with the rest of England increased by 9.59% (95%CI=4.35-14.83, p<0.001) from a mean of 0.04% pre-intervention to 9.63% post-intervention. The observed increase in success rates among those who tried was not statistically significant (B=4.72; 95%CI=-2.68-12.11, p=0.21); Bayes factors indicated these data were insensitive. GAM analyses confirmed these results.
Conclusion
The promotion of the London Smoking Cessation Transformation Programme during September 2017 was associated with a significant increase in quit attempts compared with the rest of England. The results were inconclusive regarding an effect on quit success among those who tried. External funding details Cancer Research UK (C1417/A22962)
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