Table 1.
Baseline and 20 month follow-up measures of adiposity and EBRBs in the intervention and control group
| Baseline | 20 month follow up | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intervention | Control | Intervention | Control | |||||||||||||||||
| Weight status (IOTF) b | ||||||||||||||||||||
| Underweight (%) | ||||||||||||||||||||
| Boys | 7.6 | 8.9 | 7.4 | 9.7 | ||||||||||||||||
| Girls | 5.9 | 10.3 | 6.5 | 9.1 | ||||||||||||||||
| Normal weight (%) | 71.8 | 68.3 | 73.9 | 71.7 | ||||||||||||||||
| Boys | 71.9 | 67.4 | 72.8 | 67.8 | ||||||||||||||||
| Girls | 71.8 | 69.1 | 74.9 | 75.5 | ||||||||||||||||
| Overweight (%) | 18.1 | 18.4 | 15.4 | 16.6 | ||||||||||||||||
| Boys | 17.1 | 18.6 | 15.8 | 19.1 | ||||||||||||||||
| Girls | 19.1 | 18.1 | 15.0 | 14.1 | ||||||||||||||||
| Obese (%) | 3.3 | 3.8 | 3.8 | 2.3 | ||||||||||||||||
| Boys | 3.4 | 5.1 | 4.0 | 3.4 | ||||||||||||||||
| Girls | 3.2 | 2.5 | 3.6 | 1.2 | ||||||||||||||||
| Measures of adiposity | ||||||||||||||||||||
| n | Mean | SD | Median | IQR | n | Mean | SD | Median | IQR | n | Mean | SD | Median | IQR | n | Mean | SD | Median | IQR | |
| BMI (kg/m2) | 998 | 19.5 | 3.4 | 18.7 | 4.3 | 479 | 19.6 | 3.3 | 19.1 | 4.3 | 996 | 20.5 | 3.5 | 20.0 | 4.2 | 477 | 20.4 | 3.3 | 20.0 | 4.3 |
| Boys | 474 | 19.1 | 3.5 | 18.1 | 4.1 | 236 | 19.6 | 3.4 | 19.0 | 4.3 | 475 | 20.1 | 3.6 | 19.5 | 4.0 | 236 | 20.4 | 3.4 | 19.9 | 4.5 |
| Girls | 524 | 19.8 | 3.4 | 19.2 | 4.0 | 243 | 19.5 | 3.2 | 19.1 | 4.4 | 521 | 20.9 | 3.5 | 20.4 | 4.0 | 241 | 20.4 | 3.1 | 20.1 | 4.0 |
| BMI z-score WHOa | 998 | 0.2 | 1.2 | 0.1 | 1.6 | 479 | 0.2 | 1.2 | 0.3 | 1.6 | 998 | 0.2 | 1.2 | 0.1 | 1.6 | 479 | 0.2 | 1.2 | 0.3 | 1.6 |
| Boys | 474 | 0.1 | 1.2 | 0.0 | 1.7 | 236 | 0.3 | 1.2 | 0.4 | 1.8 | 474 | 0.1 | 1.2 | 0.0 | 1.7 | 236 | 0.3 | 1.2 | 0.4 | 1.8 |
| Girls | 524 | 0.2 | 1.1 | 0.2 | 1.5 | 243 | 0.1 | 1.1 | 0.0 | 1.5 | 524 | 0.2 | 1.1 | 0.2 | 1.5 | 243 | 0.1 | 1.1 | 0.0 | 1.5 |
| Waist circumference (cm) | 1001 | 70.7 | 9.5 | 68.5 | 10.7 | 482 | 71.3 | 9.7 | 69.4 | 11.3 | 999 | 73.1 | 9.4 | 71.0 | 10.2 | 482 | 73.0 | 9.3 | 71.5 | 10.9 |
| Boys | 477 | 71.2 | 10.2 | 68.2 | 12.0 | 236 | 72.7 | 10.3 | 70.5 | 12.3 | 476 | 74.1 | 10.0 | 71.8 | 11.9 | 237 | 74.9 | 10.2 | 73.0 | 11.8 |
| Girls | 524 | 70.2 | 8.7 | 68.9 | 10.3 | 246 | 70.0 | 8.9 | 68.1 | 10.0 | 523 | 72.2 | 8.7 | 70.5 | 9.7 | 245 | 71.1 | 7.9 | 70.0 | 10.2 |
| Sum skinfolds (mm) | 1000 | 46.4 | 23.9 | 39.0 | 27.4 | 484 | 46.4 | 25.6 | 39.2 | 27.0 | 998 | 51.2 | 27.7 | 44.4 | 31.0 | 478 | 50.1 | 26.4 | 43.3 | 30.9 |
| Boys | 475 | 43.1 | 25.3 | 33.4 | 27.9 | 237 | 43.4 | 25.8 | 33.9 | 27.2 | 477 | 42.5 | 26.5 | 32.4 | 23.1 | 237 | 43.6 | 28.0 | 33.9 | 25.3 |
| Girls | 525 | 49.3 | 22.2 | 44.1 | 25.1 | 247 | 49.3 | 25.2 | 43.0 | 26.3 | 521 | 59.2 | 26.4 | 52.9 | 27.7 | 241 | 56.5 | 23.1 | 52.1 | 27.7 |
| Measures of EBRBs | ||||||||||||||||||||
| SCB consumption (ml/day) | 911 | 1219.0 | 865.1 | 1011.4 | 1145.7 | 453 | 1304.6 | 872.9 | 1085.7 | 1164.3 | 866 | 1126.3 | 877.0 | 900.0 | 1074.3 | 435 | 1195.7 | 865.8 | 942.9 | 1121.4 |
| Boys | 428 | 1456.4 | 1236.4 | 1164.6 | 1255.0 | 220 | 1501.7 | 1152.2 | 1232.9 | 1326.4 | 407 | 1464.2 | 1339.9 | 1087.1 | 1192.9 | 208 | 1338.0 | 1112.4 | 1087.9 | 1109.1 |
| Girls | 483 | 1105.5 | 823.1 | 912.9 | 971.4 | 233 | 1291.5 | 1121.1 | 942.9 | 935.7 | 459 | 974.7 | 903.4 | 742.9 | 978.6 | 227 | 1259.1 | 1299.0 | 857.1 | 1114.3 |
| High energy snacks/sweets (portion/day) | 915 | 2.1 | 2.0 | 1.4 | 2.0 | 453 | 2.2 | 2.1 | 1.5 | 2.2 | 902 | 1.9 | 2.1 | 1.3 | 1.9 | 459 | 1.8 | 1.7 | 1.2 | 1.9 |
| Boys | 434 | 2.2 | 2.2 | 1.5 | 2.3 | 221 | 2.3 | 2.3 | 1.4 | 2.4 | 419 | 2.0 | 2.0 | 1.4 | 2.1 | 221 | 1.9 | 1.8 | 1.3 | 1.9 |
| Girls | 481 | 1.9 | 1.9 | 1.3 | 1.6 | 232 | 2.2 | 1.8 | 1.6 | 2.2 | 483 | 1.8 | 2.1 | 1.2 | 1.6 | 238 | 1.7 | 1.7 | 1.2 | 1.9 |
| Breakfast consumption (days/week) | 991 | 5.8 | 1.9 | 7.0 | 2.0 | 480 | 5.7 | 2.0 | 7.0 | 2.0 | 994 | 5.8 | 1.9 | 7.0 | 2.0 | 484 | 5.7 | 2.1 | 7.0 | 2.0 |
| Boys | 471 | 5.7 | 1.8 | 7.0 | 2.0 | 236 | 5.7 | 1.9 | 7.0 | 2.0 | 471 | 6.0 | 1.8 | 7.0 | 1.0 | 237 | 5.7 | 2.1 | 7.0 | 2.0 |
| Girls | 520 | 5.8 | 1.9 | 7.0 | 2.0 | 244 | 5.7 | 2.0 | 7.0 | 2.0 | 523 | 5.7 | 2.1 | 7.0 | 2.0 | 247 | 5.7 | 2.1 | 7.0 | 2.0 |
| Screen time behaviour (min/day) | 940 | 250.8 | 129.5 | 231.4 | 180.0 | 467 | 259.9 | 133.3 | 248.6 | 205.7 | 966 | 236.3 | 129.9 | 214.3 | 180.0 | 475 | 228.1 | 137.4 | 197.1 | 188.6 |
| Boys | 453 | 271.6 | 143.7 | 257.1 | 184.3 | 227 | 278.0 | 149.1 | 274.3 | 201.4 | 457 | 273.6 | 141.7 | 257.1 | 180.0 | 232 | 256.7 | 157.0 | 231.4 | 214.3 |
| Girls | 487 | 239.3 | 134.6 | 214.3 | 180.0 | 240 | 251.0 | 136.1 | 214.3 | 197.1 | 509 | 210.3 | 131.5 | 188.6 | 167.1 | 243 | 209.9 | 137.1 | 175.7 | 167.1 |
| Active transport to school (min/day) | 985 | 36.4 | 29.6 | 31.0 | 40.0 | 480 | 40.3 | 29.4 | 31.0 | 40.0 | 977 | 35.4 | 29.1 | 31.0 | 40.0 | 480 | 40.8 | 31.4 | 31.0 | 40.0 |
| Boys | 467 | 38.2 | 31.5 | 31.0 | 40.0 | 235 | 45.9 | 32.7 | 31.0 | 55.0 | 464 | 36.3 | 29.6 | 31.0 | 40.0 | 236 | 47.3 | 34.8 | 31.0 | 60.0 |
| Girls | 518 | 34.8 | 27.6 | 31.0 | 40.0 | 245 | 35.0 | 24.8 | 31.0 | 40.0 | 513 | 34.5 | 28.7 | 31.0 | 40.0 | 244 | 34.5 | 26.2 | 31.0 | 40.0 |
| Sports participation (min/day) | 967 | 49.0 | 45.9 | 38.6 | 55.7 | 468 | 48.7 | 46.5 | 38.6 | 54.6 | 920 | 49.7 | 46.0 | 38.6 | 64.3 | 457 | 51.3 | 52.3 | 38.6 | 68.6 |
| Boys | 461 | 61.9 | 55.5 | 51.4 | 64.3 | 229 | 57.0 | 57.8 | 38.6 | 62.1 | 434 | 63.3 | 58.1 | 51.4 | 64.3 | 228 | 65.5 | 79.3 | 38.6 | 76.1 |
| Girls | 506 | 41.1 | 47.9 | 30.0 | 42.9 | 239 | 45.5 | 50.7 | 30.0 | 51.4 | 486 | 41.6 | 47.5 | 30.0 | 51.4 | 229 | 44.9 | 50.0 | 25.7 | 55.7 |