Table 6.
After-school multilevel analysis of MPA and VPA
| MPA β (SE) | VPA β (SE) | |
|---|---|---|
| Constant |
13.2 (15.1) |
4,1 (10.3) |
| Physical activity groupa |
4.5 (0.6)‡ |
3.8 (0.4)‡ |
| % variance explained |
22.9 |
28.1 |
| Child level variables |
|
|
| Sexb |
0.3 (1.4) |
0.1 (1.0) |
| Age |
−0.9 (1.0) |
−0.3 (0.8) |
| BMI z-score |
−0.04 (0.3) |
−0.4 (0.2)† |
| Maturity offset (years from APHV) |
0.1 (0.7) |
0.02 (0.5) |
| IMD |
0.04 (0.03) |
0.04 (0.02) |
| % variance explained |
11.1 |
21.9 |
| School level variables |
|
|
| Duration (min) |
0.02 (0.1) |
0.02 (0.04) |
| No. enrolled students |
0.01 (0.004) |
0.001 (0.002) |
| Playground area (m2 student-1) |
−0.07 (0.3) |
−0.1 (0.2) |
| Average temperature (°C) |
0.1 (0.2) |
0.05 (0.1) |
| No. days rainfall |
0.5 (0.6) |
0.2 (0.4) |
| % variance explained |
3.4 |
1.1 |
| Overall model |
|
|
| % Total variance explained |
33.0 |
43.4 |
| School level variance |
1.0 (0.8) |
0.1 (0.2) |
| Child level variance |
15.7 (1.5) |
8.6 (0.8) |
| Total variance |
16.7 |
8.7 |
| Deviance |
1227.0 |
1091.1 |
| ICC | 0.06 | 0.01 |
aFor Physical activity group the reference category is LOW. bFor Sex the reference category is girls. β (SE)
values rounded to 1 decimal place for presentation purposes.
†P < .05.
‡P < .001.