| Total | Males | Females | Intervention vs control school (uncorrected) | Intervention vs control school (corrected) |
---|---|---|---|---|---|
Age (years) | 8.4 ± 2.0 (379) | 8.3 ± 2.0 (192) | 8.4 ± 1.9 (187) | t = 3.18 |  |
 Intervention school | 8.1 ± 2.0 (252) | 8.2 ± 2.0 (129) | 8.0 ± 1.9 (123) | SMD = 0.346 |  |
 Control school | 8.8 ± 1.8 (127) | 8.6 ± 1.8 (63) | 9.0 ± 1.8 (64) | p = 0.002 |  |
Daily MVPA (min) | 55 ± 22 (118) | 60 ± 20 (56) | 50 ± 22 (62) | t = 0.766 | F = 1.982 |
 Intervention school | 53 ± 22 (56) | 53 ± 19 (24) | 53 ± 24 (32) | SMD = 0.141 | SMD = 0.258 |
 Control school | 56 ± 22 (62) | 66 ± 19 (32) | 47 ± 20 (30) | p = 0.445 | p = 0.162 |
Daily sedentary time (min) | 345 ± 74 (118) | 338 ± 80 (56) | 352 ± 67 (62) | t = 1.142 | F = 7.543 |
 Intervention school | 337 ± 77 (56) | 327 ± 84 (24) | 344 ± 71 (32) | SMD = 0.210 | SMD = 0.493 |
 Control school | 352 ± 71 (62) | 346 ± 78 (32) | 360 ± 63 (30) | p = 0.256 | p = 0.007 |
Total shuttle distance (m) | 670 ± 351 (357) | 748 ± 399 (183) | 589 ± 271 (174) | t = 1.944 | F = 0.294 |
 Intervention school | 645 ± 351 (240) | 719 ± 397 (124) | 566 ± 276 (116) | SMD = 0.219 | SMD = 0.061 |
 Control school | 722 ± 347 (117) | 807 ± 400 (59) | 635 ± 258 (58) | p = 0.053 | p = 0.588 |
Sum of skinfolds (mm) | 35.1 ± 14.7 (327) | 32.6 ± 14.9 (175) | 38.1 ± 13.9 (152) | t = 2.214 | F = 2.117 |
 Intervention school | 33.8 ± 12.7 (213) | 31.7 ± 13.5 (115) | 36.4 ± 11.2 (98) | SMD = 0.257 | SMD = 0.169 |
 Control school | 37.6 ± 17.6 (114) | 34.4 ± 17.3 (60) | 41.1 ± 17.4 (54) | p = 0.028 | p = 0.147 |
% meeting physical activity guidelines | 36.4% (118) | 46.4% (56) | 27.4% (62) | χ2 = 4.29, p = 0.038 OR = 2.251 (1.037–4.884), p = 0.040 | |
 Intervention school | 26.8% (56) | 25.0% (24) | 28.1% (32) | ||
 Control school | 45.2% (62) | 62.5% (32) | 26.7% (30) | ||
% overweight or obese | 16.8% (369) | 18.6% (188) | 14.9% (181) | χ2 = 0.01, p = 0.922 OR = 1.029 (0.578–1.833), p = 0.928 | |
 Intervention school | 16.7% (246) | 19.0% (126) | 14.2% (120) | ||
 Control school | 17.1% (123) | 17.7% (62) | 16.4% (61) |