Input | Value | Data source |
---|---|---|
Probability of experiencing an outcome associated with physical activity | ||
Probability of experiencing CHD when active | 0.014 | |
Probability of experiencing CHD when sedentary | 0.027 | |
Probability of experiencing stroke when active | 0.011 | |
Probability of experiencing stroke when sedentary | 0.015 | |
Probability of experiencing type II diabetes when active | 0.022 | |
Probability of experiencing type II diabetes when sedentary | 0.044 | |
Inputs used in calculating QALYs/treatment costs | ||
Utility/health state value of being in CHD state | 0.55 | |
Utility/health state value of being in stroke state | 0.52 | |
Utility/health state value of being in type II diabetes state | 0.7 | |
Utility/health state value of being in a non-disease health state | 0.83 | |
Average age of cohort (in years) | 50 | HSE [18] |
Average age of mortality (in years) | 84 | ONS [23] |
Assumed average age of onset of a disease health state (in years) | 55 | NICE [8] |
Life years remaining after onset of CHD | 18.41 | |
Life years remaining after onset of stroke | 5.12 | |
Life years remaining after onset of type II diabetes | 28.13 | |
Lifetime treatment costs*/QALYs associated with health states (per person) | ||
Lifetime treatment costs associated with CHD state | £17,728 | NICE [8] |
Lifetime treatment costs associated with stroke state | £1,965 | DH [22] |
Lifetime treatment costs associated with type II diabetes state | £50,309 | Currie et al. [21] |
Lifetime treatment costs associated with non-disease health state | - | - |
QALYs associated with CHD state | 9.94 | |
QALYs associated with stroke state | 5.15 | |
QALYs associated with type II diabetes state | 14.18 | |
QALYs associated with non-disease health state | 17.18 |