From: School day segmented physical activity patterns of high and low active children
 | Before-school | Class time | ||
---|---|---|---|---|
 | MPA β (SE) | VPA β (SE) | MPA β (SE) | VPA β (SE) |
Constant | 3.8 (6.4) | −1.6 (2.9) | −5.0 (18.5) | 2.4 (13.1) |
Physical activity groupa | 0.9 (0.3)††| 0.2 (0.1) | 0.7 (0.3)†| 0.4 (0.3) |
% variance explained | 2.8 | 3.3 | 6.0 | 4.7 |
Child level variables | Â | Â | Â | Â |
Sexb | −1.01 (0.8) | 0.3 (0.3) | −0.4 (0.8) | 0.6 (0.7) |
Age | −0.04 (0.6) | 0.2 (0.3) | 0.8 (0.6) | 0.3 (0.5) |
BMI z-score | 0.2 (0.1) | −0.1 (0.1) | 0.3 (0.2) | −0.1 (0.1) |
Maturity offset (years from APHV) | −0.4 (0.4) | 0.02 (0.2) | −0.8 (0.4) | −0.1 (0.3) |
IMD | 0.01 (0.02) | −0.001 (0.01) | 0.01 (0.02) | 0.01 (0.01) |
% variance explained | 1.0 | 6.0 | 3.4 | 4.5 |
School level variables | Â | Â | Â | Â |
Duration (min) | 0.0001 (0.0001) | 0.0001 (0.0001) | 0.02 (0.1) | −0.001 (0.04) |
No. enrolled students | 0.002 (0.001)†| 0.001 (0.001) | −0.01 (0.01) | −0.003 (0.004) |
Playground area (m2·student-1) | 0.1 (0.1) | 0.15 (0.06)†| 05 (0.5) | 0.4 (0.3) |
Average temperature (°C) | −0.1 (0.9) | −0.1 (0.04) | −0.1 (0.1) | −0.1 (0.1) |
No. days rainfall | −0.5 (0.3) | −0.2 (0.1) | −0.1 (0.3) | −0.3 (0.3) |
% variance explained | 3.0 | 10.7 | 13.8 | 9.0 |
Overall model | Â | Â | Â | Â |
% Total variance explained | 6.5 | 17.4 | 20.3 | 14.4 |
School level variance | 0.0 | 0.03 (0.03) | 3.9 (2.1) | 1.8 (1.0) |
Child level variance | 4.9 (0.5) | 1.0 (0.1) | 5.3 (0.5) | 3.7 (0.4) |
Total variance | 4.9 | 1.0 | 9.2 | 5.5 |
Deviance | 961.7 | 620.3 | 1010.9 | 928.9 |
ICC | 0.0 | 0.03 | 0.42 | 0.32 |