Table 1.  Descriptive characteristics of children [validation group (n = 40) and cross-validation group (n = 12)].
 

Validation group (n =40)

Cross-validation group (n = 12)

VARIABLE

Mean or median

*SD or IQR

Range

Mean or median

*SD or IQR

Range

Age (y)

9.4

.6

8.0-10.3

9.4

.5

8.4-10.1

Height (m)

1.35

.09

1.09-1.55

1.34

.05

1.27-1.42

Weight (kg)

30.0**

27.4, 34.6

17.4-50.7

32.1**

27.0, 34.5

22.3-52.0

Body mass index (kg·m-2)

16.9**

15.4, 18.6

13.7-26.3

17.9

3.2

13.7-25.6

Sitting height (cm)

68.5

3.9

60.0-80.0

68.9

3.4

65.0-74.0

Waist circumference (cm)

57.4**

49.3, 65.5

45.8-76.1

59.5

7.7

49.2-78.8

*SD = standard deviation, IQR = inter-quartile range, **Median and IQR presented.