Final models showing correlates of LPA, MPA and VPA: β-coefficients and 95% CIs
| β (95% CI) | P value | |
| LPA (min/day) | ||
| Computer use (hours/day) | −4.31 (−8.06 to −0.57) | 0.024 |
| Parent support (0–4)* | 5.65 (1.07 to 10.22) | 0.016 |
| MPA (min/day) | ||
| BMI z-score | −1.35 (−2.28 to −0.42) | 0.005 |
| Computer use (hours/day) | −1.22 (−2.28 to −0.15) | 0.025 |
| Sport participation (ref=no sport) | 2.97 (0.73 to 5.21) | 0.009 |
| Active transport (ref=passive transport) | 5.63 (3.44 to 7.81) | <0.0001 |
| Outdoor time after school (hours/day) | 1.55 (0.79 to 2.30) | <0.0001 |
| Proportion of pupils attending school sport/PA clubs | ||
| ≤24% | Ref | 0.006 |
| 25%–49% | 5.97 (0.53 to 11.41) | 0.032 |
| ≥50% | −2.75 (−8.65 to 3.16) | 0.361 |
| VPA (min/day) | ||
| BMI z-score | −1.60 (−2.51 to −0.69) | 0.001 |
| Self-efficacy (0–4)* | 1.89 (0.56 to 3.22) | 0.006 |
| Active transport (ref=passive transport) | 2.05 (0.00 to 4.10) | 0.050 |
| Parent support (0–4)* | 1.36 (0.12 to 2.60) | 0.032 |
| Presence of school crossing guards (ref=none) | 3.21 (0.34 to 6.07) | 0.028 |
All models were adjusted for age, sex and mean accelerometer wear time, with schools treated as random effects.
↵*Higher scores represent greater self-efficacy and parent support.
BMI, body mass index; LPA, light-intensity physical activity; MPA, moderate-intensity physical activity; PA, physical activity; ref, reference category; VPA, vigorous-intensity physical activity.