Table 5.
Weight change by condition and cohort
| Incentives for weight loss and self- monitoring |
Incentives for self- monitoring only |
Incentives for weight loss only | No incentives for weight loss and self- monitoring |
Total | |
|---|---|---|---|---|---|
| Weight change (in pounds), M (SD) | |||||
| Cohort 1 | −20.84 (6.47) | −23.63 (17.33) | −22.66 (22.03) | −21.97 (14.28) | −22.32 (15.26) |
| Cohort 2 | −21.21 (9.25) | −8.93 (11.40) | −4.29 (8.29) | −9.04 (9.39) | −11.09 (11.22) |
| Cohort 3 | −15.70 (12.99) | −12.32 (9.98) | −9.16 (24.46) | 1.2 (8.46) | −8.39 (15.25) |
| Overall | −19.43 (9.54) | −16.01 (14.88) | −12.34 (19.67) | −10.02 (14.72) | −14.51 (15.21) |
| Weight change percentage, M (SD) | |||||
| Cohort 1 | −9.06 (3.31) | −10.22 (6.50) | −10.43 (9.16) | −8.22 (4.95) | −9.51 (6.08) |
| Cohort 2 | −7.43 (3.00) | −4.17 (5.74) | −1.51 (3.02) | −3.97 (3.81) | −4.30 (4.36) |
| Cohort 3 | −8.30 (6.86) | −5.96 (4.80) | −3.19 (7.57) | 0.47 (3.79) | −4.01 (6.45) |
| Overall | −8.26 (4.38) | −7.19 (6.19) | −5.24 (7.80) | −3.90 (5.56) | −6.18 (6.20) |
| Number who achieved ≥5% weight loss, n (%) | |||||
| Cohort 1 | 5 (71.43) | 7 (87.50) | 6 (85.71) | 5 (71.43) | 23 (79.31) |
| Cohort 2 | 5 (71.43) | 2 (33.33) | 1 (14.29) | 1 (20.00) | 9 (36.00) |
| Cohort 3 | 4 (66.67) | 3 (60.00) | 2 (40.00) | 1 (14.29) | 10 (43.48) |
| Overall | 14 (70.00) | 12 (63.16) | 9 (47.37) | 7 (36.84) | 42 (54.55) |