Table 1

Data sources used in the simulations

Parameter Data source
Proportion of smokersHealth survey for England
Proportion of ex-smokersHealth survey for England
Observed incidence in the populationHospital episode statistics
35–64 year old cohort sizeNational population projections
Number of smokers equivalent to a
% drop in prevalence		Health survey for England and national population projections
Annual survival probabilityMortality statistics