Mean difference in the children’s average MVPA minutes per day associated with different activities using multiple imputation (n=1223)*
| Exposure | MVPA (min/day): mean difference (95% CI) | p for gender interaction | ||||||
| All (n=1223) | Boys (n=556) | Girls (n=667) | ||||||
| Model 1 | Model 2 | Model 1 | Model 2 | Model 1 | Model 2 | |||
| Frequency child attends sport/exercise club at school | Never (ref) | 0 | 0 | 0 | 0 | 0 | 0 | 0.64 |
| 1–2 days/week | 3.7 (0.3 to 7.2) | 3.6 (0.1 to 7.0) | 4.4 (−2.1 to 10.9) | 4.1 (−2.3 to 10.5) | 3.2 (−0.3 to 6.7) | 3.1 (−0.3 to 6.6) | ||
| 3–4 days/week | 7.8 (2.9 to 12.6) | 7.6 (2.7 to 12.4) | 10.1 (2.6 to 17.7) | 9.6 (2.0 to 17.2) | 5.9 (0.9 to 10.8) | 5.8 (0.9 to 10.7) | ||
| 5 days/week | 5.9 (−0.1 to 11.8) | 5.7 (−0.3 to 11.7) | 7.5 (−0.4 to 15.4) | 7.0 (−1.1 to 15.0) | 3.8 (−3.7 to 11.3) | 3.6 (−4.1 to 11.4) | ||
| p for trend | 0.007 | 0.01 | 0.02 | 0.03 | 0.05 | 0.06 | ||
| Frequency child attends sport/exercise club outside of school | Never (ref) | 0 | 0 | 0 | 0 | 0 | 0 | 0.80 |
| 1–2 days/week | 0.9 (−2.5 to 4.3) | 0.7 (−2.9 to 4.4) | 1.8 (−4.7 to 8.3) | 1.3 (−5.5 to 8.2) | 0.5 (−3.3 to 4.4) | 0.5 (−3.4 to 4.5) | ||
| 3–4 days/week | 6.9 (2.4 to 11.5) | 6.5 (1.9 to 11.2) | 8.9 (1.0 to 16.8) | 8.1 (0.1 to 16.0) | 5.5 (0.9 to 10.1) | 5.6 (1.1 to 10.2) | ||
| 5 days/week | 9.9 (3.8 to 16.0) | 9.6 (3.3 to 15.9) | 11.8 (3.4 to 20.1) | 11.2 (2.4 to 19.9) | 8.2 (0.7 to 15.7) | 8.2 (0.8 to 15.7) | ||
| p for trend | <0.001 | <0.001 | 0.001 | 0.002 | 0.007 | 0.006 | ||
| Frequency child plays with friends/family outside near home | Never (ref) | 0 | 0 | 0 | 0 | 0 | 0 | 0.19 |
| 1–2 days/week | 0.7 (−4.6 to 6.0) | 0.4 (−4.9 to 5.6) | 0.0 (−9.3 to 9.2) | −0.5 (−9.9 to 8.9) | 1.4 (−6.0 to 8.8) | 1.3 (−6.2 to 8.7) | ||
| 3–4 days/week | 5.1 (−0.9 to 11.1) | 4.8 (−1.1 to 10.7) | 6.1 (−4.1 to 16.3) | 5.7 (−4.5 to 15.9) | 4.4 (−3.5 to 12.3) | 4.3 (−3.7 to 12.2) | ||
| 5 days/week | 9.6 (4.0 to 15.3) | 9.5 (3.9 to 15.2) | 13.0 (3.3 to 22.8) | 12.9 (3.0 to 22.7) | 6.7 (−0.7 to 14.0) | 6.6 (−0.9 to 14.0) | ||
| p for trend | <0.001 | <0.001 | <0.001 | <0.001 | 0.005 | 0.006 | ||
| Frequency child plays with friends/family in home/garden | Never (ref) | 0 | 0 | 0 | 0 | 0 | 0 | 0.38 |
| 1–2 days/week | 2.0 (−2.4 to 6.4) | 1.6 (−2.7 to 6.0) | −0.1 (−8.4 to 8.3) | −0.6 (−8.9 to 7.7) | 3.8 (−2.2 to 9.8) | 3.6 (−2.4 to 9.7) | ||
| 3–4 days/week | 5.6 (0.9 to 10.3) | 5.3 (0.4 to 10.2) | 5.6 (−3.1 to 14.3) | 5.4 (−3.5 to 14.4) | 5.7 (−0.6 to 11.9) | 5.5 (−0.9 to 12.0) | ||
| 5 days/week | 7.4 (3.0 to 11.8) | 7.1 (2.7 to 11.6) | 8.3 (0.1 to 16.6) | 7.7 (−0.7 to 16.1) | 6.6 (0.7 to 12.5) | 6.5 (0.6 to 12.5) | ||
| p for trend | <0.001 | <0.001 | 0.004 | 0.006 | 0.02 | 0.02 | ||
| Activity score (per unit) | 2.1 (1.4 to 2.7) | 2.0 (1.4 to 2.7) | 2.6 (1.7 to 3.4) | 2.5 (1.6 to 3.4) | 1.6 (0.8 to 2.3) | 1.6 (0.8 to 2.3) | 0.06 | |
*Model 1 is adjusted for age and gender; model 2 is additionally adjusted for body mass index and Indices of Multiple Deprivation score.
MVPA, moderate-to-vigorous-intensity physical activity.