Table 3 Descriptive characteristics of children with valid habitual physical activity data.
| VARIABLE |
Mean or median |
*SD or IQR |
Range |
| Sample size |
47 |
|
|
| Age (y) |
9.2** |
9.0, 9.9 |
8.3-10.1 |
| Height (m) |
1.34 ** |
1.30, 1.40 |
1.09-1.55 |
| Weight (kg) |
31.3** |
27.3, 34.9 |
17.4-52.0 |
| Body mass index (kg·m-2) |
16.9** |
15.4, 18.8 |
13.7-26.3 |
| Sitting height (cm) |
68.7 |
3.8 |
60.0-80.0 |
| Waist circumference (cm) |
58.1** |
54.5, 62.4 |
45.8-78.8 |
| VO2peak (ml·kg-1·min-1) |
46.2 |
6.7 |
35.0-60.0 |
| Systolic blood pressure (mmHg) |
104.0** |
97.0, 110.3 |
87.3-133.7 |
| Diastolic blood pressure (mmHg) |
62.3** |
60.0, 65.7 |
48.0-78.7 |
* METs estimated from previously published work. METs for standing and catching: (Ridley *SD = standard deviation, IQR = inter-quartile range.**Median and IQR presented.
