Cost BMI loss achieved          
Strategy cost effect incrCost incrEff ICER
Usual Care 1195.21 0.08 0.00 0.00 0.00
Group-based lifestyle intervention 1205.97 0.21 10.76 0.13 81.23
Cost per QALY gained          
Strategy cost effect incrCost incrEff ICER
Usual Care 1195.21 0.68 0.00 0.00 0.00
Group-based lifestyle intervention 1205.97 0.70 10.76 0.12 676.89
Table 2: Results of cost-effectiveness analysis and cost-utility analysis at base case (£2013 prices).