Table 1

Estimated impact of the Stop Smoking Services (SSS) on the reduction in smoking prevalence in England: 2001–2016

YearPercentage point reduction in smoking prevalenceAnnual percentage point reduction in smoking prevalenceAverage proportion of SSS supported quittersAnnual prevalence reduction attributable to SSS
2001–20128.0% (from 28.6% in 2001 to 20.6% in 2012)0.727%15.68%0.114%
2012–20162.8% (from 20.6% in 2012 to 17.8% in 2016)0.700%14.03%0.098%
2001–201610.8% (from 28.6% in 2001 to 17.8% in 2016)0.720%15.26%0.110%