Table 1 Characteristics of the children
All children | Children with PA assessment | |||
|---|---|---|---|---|
n | Mean ± SD or n (%) | n | Mean ± SD or n (%) | |
Boys | 1554 | 780 (50 %) | 299 | 157 (53 %) |
Age (yrs) | 1554 | 3.9 ± 0.1 | 299 | 3.7 ± 0.6 |
BMI (kg/m2) | 1554 | 15.8 ± 1.3 | 298 | 15.9 ± 1.3 |
aOW/obese | 1554 | 167 (11 %) | 298 | 30 (10 %) |
bBMI Z-score | 1554 | 0.11 ± 0.92 | 298 | 0.09 ± 0.89 |
Waist (cm) | 1164 | 52.4 ± 3.5 | 242 | 51.5 ± 3.6 |
bWaist Z-score | 1164 | 0.39 ± 0.91 | 242 | 0.28 ± 0.93 |
cTotal PA(ACM) | - | - | 299 | 3715 ± 712 |
Sedentary activity (%) | - | - | 299 | 47.1 ± 8.2 |
Light activity (%) | - | - | 299 | 45.0 ± 7.4 |
Moderate activity (%) | - | - | 299 | 6.0 ± 2.4 |
Vigorous activity (%) | - | - | 299 | 1.9 ± 1.3 |