Table 6.
Longitudinal association of changes in the school environment with changes in activity intensity during the whole school day (multivariable models)
| Exposure | SED change (n = 259) | LPA change (n = 269) | MVPA change (n = 259) | |||
|---|---|---|---|---|---|---|
| β | (95 % CI) | β | (95 % CI) | β | (95 % CI) | |
| School attitude | N/A | −0.47 | (−1.37, 0.43) | N/A | ||
| School environment | N/A | 0.07 | (−0.04, 0.19) | −0.06 | (−0.16, 0.04) | |
| Length of break | −0.09 | (−0.17, 0.00) | N/A | 0.06 | (0.02, 0.10)** | |
| Hours of PE | ||||||
| no change (reference) | ||||||
| decrease | 2.16 | (−0.27, 4.60) | −1.41 | (−2.94, 0.11) | −0.83 | (−2.03, 0.37) |
| increase | 0.88 | (−1.35, 3.11) | −0.56 | (−1.81, 0.70) | −0.09 | (−1.27, 1.08) |
| Physical activity policy | ||||||
| no change (reference) | N/A | N/A | ||||
| no/yes | 0.12 | (−1.19, 1.42) | ||||
| yes/no | −0.54 | (−1.81, 0.73) | ||||
| Lunchtime extracurricular physical activity provision | ||||||
| no change (reference) | N/A | |||||
| no/yes | −2.03 | (−3.89, −0.17)* | 0.90 | (0.03, 1.77)* | ||
| yes/no | −1.10 | (−4.89, 2.68) | 0.07 | (−1.88, 2.01) | ||
| Break time rules: physically active activities | ||||||
| less/less (reference) | N/A | |||||
| less/more | 2.16 | (−0.84, 5.17) | −0.97 | (−2.42, 0.47) | ||
| more/less | 0.81 | (−2.28, 3.91) | −1.54 | (−3.19, 0.11) | ||
| more/more | 1.07 | (−1.76, 3.91) | −1.20 | (−2.56, 0.16) | ||
LPA light physical activity, MVPA moderate to vigorous physical activity, PE physical education, PA physical activity, N/A not analysed in multiple model
* = p < 0.05; ** = p < 0.01