WeightLoss Group 12.5 Control 12 Control 1 Control -5 Control 3 Control -5 Control 7.5 Control -2.5 Control 20 Control -1 Control 2 Control 4.5 Control -2 Control -17 Control 19 Control -2 Control 12 Control 10.5 Control 5 Control 25.5 Incentive 24 Incentive 8 Incentive 15.5 Incentive 21 Incentive 4.5 Incentive 30 Incentive 7.5 Incentive 10 Incentive 18 Incentive 5 Incentive -0.5 Incentive 27 Incentive 6 Incentive 25.5 Incentive 21 Incentive 18.5 Incentive