Table 1. Characteristics of the Study Participants Before the Start of the Intervention and at the Weekly Measurement Time Pointsa.
| Time | No. | Sex, No. (%) | Mean (SD) | |||
|---|---|---|---|---|---|---|
| Girls | Boys | Body weight, kg | BMI | BMI-SDS | ||
| Baseline | 1198 | 670 (56) | 528 (44) | 92.2 (23.1) | 33.8 (5.8) | 2.76 (0.54) |
| Week 1 | 1179 | 660 (56) | 519 (44) | 88.7 (22.3) | 32.6 (5.7) | 2.60 (0.57) |
| Week 2 | 1170 | 657 (56) | 513 (44) | 87.2 (21.9) | 32.0 (5.6) | 2.56 (0.58) |
| Week 3 | 1157 | 651 (56) | 506 (44) | 86.1 (21.5) | 31.6 (5.5) | 2.50 (0.59) |
| Week 4 | 1131 | 644 (57) | 487 (43) | 84.8 (21.3) | 31.2 (5.4) | 2.45 (0.60) |
| Week 5 | 825 | 484 (59) | 341 (41) | 85.4 (20.5) | 31.2 (5.4) | 2.45 (0.61) |
| Week 6 | 820 | 474 (58) | 346 (42) | 84.3 (20.1) | 30.8 (5.2) | 2.40 (0.61) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); BMI-SDS, BMI-standard deviation score.
a
Mean (SD) age at baseline was 14.0 (2.2) years.