Table 5 One-way sensitivity analysis. Parameters that had a large influence on the cost-effectiveness ratio in the one-way sensitivity analysis (changing the results from an incremental cost above £20,000 per QALY gained to below £20,000 per QALY gained) when varied over the specified range
Base case value | Threshold valuea | |
|---|---|---|
Starting age | 45 | 55 |
Proportion of recruited participants completing the programme | 15.5 % | 15.8 % |
Baseline activity level-all recruited participants | ||
Moderate | 37.6 % | 36.1 % |
High | 30.0 % | 29.7 % |
Follow-up activity level-completers | ||
Moderate | 23.5 % | 25.0 % |
High | 52.9 % | 53.3 % |
Duration of effect of Give it a Go on PA (months) | 12 | 13 |
Utilities | ||
Mental health gain when moderately active | 0.023 | 0.021 |
Mental health gain when highly active | 0.104 | 0.106 |
Costs | ||
GIAG general-per person recruited | £38.30 | £37.15 |
GIAG leisure-per completer | £97.00 | £89.60 |
GIAG leisure-per non-completer | £16.75 | £15.39 |