Table 1.
No target set | Targets set | |||
---|---|---|---|---|
Men | Women | Men | Women | |
n | 474 | 7310 | 1383 | 15 280 |
Initial weight (kg) | 128.3 (25.4) | 103.7 (18.7)*** | 117.9 (20.5)† | 96.9 (16.6)***, † |
Initial BMI (kg m–2) | 40.5 (7.1) | 38.7 (6.3)*** | 37.2 (0.7)† | 36.3 (5.4)***, † |
12 month weight (kg) | 114.1 (20.0) | 92.9 (16.4)*** | 100.0 (17.3)† | 82.9 (15.3)***, † |
12 month BMI | 36.0 (5.6) | 34.6 (5.6)*** | 31.5 (5.0)† | 31.0 (5.1)***, † |
Weight loss (kg) | 14.3 (12.2) | 10.8 (8.1)*** | 17.9 (12.5)† | 14.0 (8.7)***, † |
Weight loss (% initial weight) | 10.5 (7.4) | 10.0 (6.7)* | 14.8 (8.6)† | 14.2 (7.8)*, † |
Age | 48.4 (13.2) | 47.5 (13.6) | 48.9 (13.3) | 47.5 (13.8)** |
Number of attendances | 60.2 (16.2) | 60.6 (15.5) | 61.2 (16.0)† | 62.5 (15.3)† |
Significant effect of sex: *P < 0.05, **P < 0.01, ***P < 0.001.
†Indicates a significant effect of setting target (P < 0.001).
All data are shown as the mean (SD). Initial weight, initial body mass index (BMI), weight at 12 months and BMI at 12 months were influenced by significant interactions of sex and target setting (P < 0.001).