Table 1. Summary of disease statistics used in the model.

Disease	Incidence	Prevalence	Mortality	Survival
Asthma	BLF asthma statistics [14]	BLF asthma statistics [14]	ONS death registration summary statistics, England and Wales, 2015 [15]	Computed from prevalence and mortality
COPD	Computed from prevalence and mortality	PHE modelled estimates, 2008 [16]	ONS death registration summary statistics, England and Wales, 2015 [15]	Computed from prevalence and mortality
CHD	Smolina et al. corrected data on incidence and mortality in 2013 [17]	BHF cardiovascular disease statistics, 2014 [18]	ONS death registration summary statistics, England and Wales, 2015 [15]	Computed from prevalence and mortality
Diabetes	Personal communication with Dr Craig Curry from Cardiff University	National Diabetes Audit 2015–2016 [19]	Non-terminal	Non-terminal
Stroke	BHF stroke statistics, 2009 [20]	BHF cardiovascular disease statistics, 2014 [18]	ONS death registration summary statistics, England and Wales, 2015 [15]	Computed from prevalence and mortality
Dementia	Computed from prevalence and mortality	Alzheimer’s Society Dementia UK report, 2014 [21]	ONS death registration summary statistics, England and Wales, 2015 [15]	Computed from prevalence and mortality
Low birth weight	ONS birth characteristics, 2015	Considered equivalent to incidence	Non-terminal	Non-terminal
Lung cancer	CRUK, 2012–2014 [22]	Not required in model as model uses incidence	CRUK, 2012–2014 [22]	1, 5 year: ONS, 2010–2014 [23]; 10 year: ONS, 2008–2012 [24]

BHF, British Heart Foundation; BLF, British Lung Foundation; CHD, coronary heart disease; COPD, and chronic obstructive pulmonary disease; CRUK, Cancer Research UK; ONS, Office for National Statistics; PHE, Public Health England.