| Mean/Prop |  |  |  | Odds ratio (95%CI) |  |
---|---|---|---|---|---|---|
 | Boys | Girls | p | Boys | Girls | p |
Self-report |  |  |  | (n = 1150) | (n = 1090) |  |
 Meeting PA guidelines past 7-day self-reporta (%) | 22.9 | 14.0 | p < 0.001 | Reference | 0.54 (0.42, 0.67) | p < 0.001 |
 Meeting PA guidelines ≥5-day self-reporta (%) | 43.0 | 32.1 | p < 0.001 | Reference | 0.60 (0.50, 0.71) | p < 0.001 |
 Using Active Transport to and/or from school (%) | 34.6 | 34.2 | NS | Reference | 0.94 (0.78, 1.14) | NS |
 Overweight and Obesityb (%) | 33.2 | 33.8 | NS | Reference | 1.03 (0.89, 1.20) | NS |
Accelerometry |  |  |  | (n = 453) | (n = 446) |  |
 Valid wear (days) (Mean + SD) | 5.1 (1.7) | 5.3 (1.6) | NS | Reference | 0.24 (0.0, 0.48) | P = 0.05 |
 Daily wear-time (min/day) (Mean + SD) | 737.8 (121.9) | 739.3 (122.8) | NS | Reference | 1.41 (−16.6, 19.4) | NS |
 Daily Light PA (min/day) (Mean + SD) | 157.2 (29.2) | 155.3 (29.4) | NS | Reference | 27.2 (−12.8, 67.2) | NS |
 Daily MVPA (min/day) (Mean + SD) | 81.4 (24.2) | 67.8 (20.6) | p < 0.001 | Reference | −53.9 (−78.0, −29.7) | p < 0.001 |
 Meeting PA guidelinesa (%) | 80.6 | 62.0 | p < 0.001 | Reference | −0.97 (−1.32, −0.61) | p < 0.001 |