Table 5.
Recess and lunchtime multilevel analysis of MPA and VPA
| Recess | Lunchtime | |||
|---|---|---|---|---|
| |
MPA β (SE) |
VPA β (SE) |
MPA β (SE) |
VPA β (SE) |
| Constant |
−1.4 (4.7) |
−1.6 (4.1) |
−1.6 (7.0) |
−2.2 (6.7) |
| Physical activity groupa |
0.3 (0.2) |
0.2 (0.2) |
0.8 (0.3)†† |
0.8 (0.2)†† |
| % variance explained |
1.1 |
1.6 |
9.7 |
10.8 |
| Child level variables |
|
|
|
|
| Sexb |
1.4 (0.5)†† |
0.9 (0.5) |
0.4 (0.6) |
0.9 (0.6) |
| Age |
0.1 (0.4) |
0.2 (0.3) |
−0.02 (0.5) |
−0.04 (0.4) |
| BMI z-score |
−0.1 (0.1) |
−0.2 (0.1)† |
0.1 (0.1) |
−0.1 (0.1) |
| Maturity offset (years from APHV) |
0.5 (0.3) |
0.3 (0.2) |
−0.1 (0.3) |
0.2 (0.3) |
| IMD |
0.0001 (0.01) |
−0.01 (0.01) |
0.01 (0.01) |
−0.0001 (0.01) |
| % variance explained |
8.9 |
4.0 |
0.7 |
1.5 |
| School level variables |
|
|
|
|
| Duration (min) |
0.1 (0.1) |
0.05 (0.04) |
0.1 (0.1) |
0.1 (0.1) |
| No. enrolled students |
0.004 (0.002)† |
0.002 (0.002) |
−0.002 (0.003) |
−0.002 (0.003) |
| Playground area (m2·student-1) |
0.3 (0.2) |
0.3 (0.2) |
0.5 (0.2)† |
0.3 (0.2) |
| Average temperature (°C) |
−0.2 (0.1)†† |
−0.2 (0.1)‡ |
0.05 (0.1) |
−0.03 (0.1) |
| No. days rainfall |
−0.1 (0.2) |
−0.2 (0.2) |
−0.1 (0.3) |
−0.3 (0.3) |
| % variance explained |
20.1 |
13.0 |
18.9 |
17.1 |
| Overall model |
|
|
|
|
| % Total variance explained |
26.5 |
18.3 |
28.5 |
26.5 |
| School level variance |
0.5 (0.3) |
0.3 (0.2) |
0.7 (0.4) |
0.7 (0.4) |
| Child level variance |
2.2 (0.2) |
1.7 (0.2) |
3.2 90.3) |
2.8 (0.3) |
| Total variance |
2.7 |
2.0 |
3.9 |
3.5 |
| Deviance |
808.3 |
756.3 |
889.5 |
862.4 |
| ICC | 0.19 | 0.16 | 0.18 | 0.21 |
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 < .01‡P < .001.