Before-school physical activity and sedentary behaviour participation by gender†
| Total | Difference Boys vs Girls | |||
|---|---|---|---|---|
| N | (Mean±95% CI) | (Mean Diff±95% CI) | Effect size (d) | |
| Before-school (8:00–9:00) Monday–Friday | ||||
| Activity counts (counts/min)† | ||||
| Boys | 130 | 466.6 (425.59 to 507.53) | 91.2 (42.69 to 139.68)*** | 0.43 |
| Girls | 168 | 375.4 (345.56 to 404.16) | ||
| Sedentary (min/day)† | ||||
| Boys | 130 | 21.4 (20.03 to 22.85) | −2.9 (−4.72 to −1.04)** | −0.36 |
| Girls | 168 | 24.3 (23.11 to 25.53) | ||
| LPA (min/day)† | ||||
| Boys | 130 | 14.0 (13.24 to 14.80) | −0.82 (−1.90 to 0.26) | −0.18 |
| Girls | 168 | 14.8 (14.10 to 15.57) | ||
| MVPA (min/day)† | ||||
| Boys | 130 | 9.6 (8.78 to 10.54) | 3.0 (2.00 to 4.03)*** | 0.69 |
| Girls | 168 | 6.6 (6.06 to 7.22) | ||
| During-school (9:00–15:30) Monday–Friday | ||||
| Activity counts (counts/min)† | ||||
| Boys | 130 | 378.0 (350.66 to 405.41) | 51.9 (14.74 to 89.04)** | 0.32 |
| Girls | 168 | 326.2 (301.09 to 351.20) | ||
| Sedentary (min/day)† | ||||
| Boys | 130 | 212.7 (207.49 to 217.83) | −14.6 (−21.74 to −7.53)*** | −0.47 |
| Girls | 168 | 227.3 (222.46 to 232.13) | ||
| LPA (min/day)† | ||||
| Boys | 130 | 101.7 (98.46 to 104.93) | −1.4 (−6.21 to 3.41) | −0.06 |
| Girls | 168 | 103.1 (99.66 to 106.53) | ||
| MVPA (min/day)† | ||||
| Boys | 130 | 61.8 (58.85 to 64.73) | 16.6 (12.98 to 20.25)*** | 1.05 |
| Girls | 168 | 45.2 (42.91 to 47.44) | ||
| After-school (15:30–18:00) Monday–Friday | ||||
| Activity counts (counts/min)† | ||||
| Boys | 130 | 372.0 (341.45 to 402.49) | 15.6 (−26.69 to 57.80) | 0.08 |
| Girls | 168 | 356.4 (327.54 to 385.30) | ||
| Sedentary (min/day)† | ||||
| Boys | 130 | 83.2 (80.16 to 86.32) | −0.9 (−4.85 to 3.01) | −0.05 |
| Girls | 168 | 84.2 (81.64 to 86.68) | ||
| LPA (min/day)† | ||||
| Boys | 130 | 36.1 (34.41 to 37.78) | −3.6 (−5.91 to −1.33)** | −0.36 |
| Girls | 168 | 39.7 (38.17 to 41.26) | ||
| MVPA (min/day)† | ||||
| Boys | 130 | 23.6 (21.77 to 25.51) | 4.8 (2.54 to 7.00)*** | 0.49 |
| Girls | 168 | 18.9 (17.54 to 20.21) | ||
Independent-sample t-tests used to determine significant mean or proportional differences between boys and girls overall with *p≤0.05; **p≤0.01; ***p≤0.001; Cohen's d effect size was calculated for mean differences in ratio data.
†Based on >600 min/day of monitoring over≥3 days.