Table 1.
Summary statistics for selected variables by sex: boys and girls aged 9·00–11·99 years (n 1431), Queensland, Australia
| Sex | Variable | Mean | sd | Min | Max |
|---|---|---|---|---|---|
| Male (n 686) | Age (years) | 10·20* | 0·41 | 9·07 | 11·53 |
| Height (cm) | 140·8 | 6·5 | 113·9 | 160·4 | |
| Weight (kg) | 36·3 | 8·2 | 19·9 | 69·9 | |
| Weight Z-score | 0·318 | 1·003 | −3·362 | 2·863 | |
| WC (cm) | 65·6 | 9·0 | 43·7 | 102·5 | |
| WHtR | 0·47 | 0·06 | 0·31 | 0·86 | |
| BMI (kg/m2) | 18·2 | 3·2 | 12·2 | 44·2 | |
| Female (n 745) | Age (years) | 10·12* | 0·38 | 9·39 | 11·90 |
| Height (cm) | 141·5 | 6·8 | 121·1 | 167·9 | |
| Weight (kg) | 37·2 | 8·9 | 21·9 | 79·1 | |
| Weight Z-score | 0·312 | 1·000 | −2·603 | 3·210 | |
| WC (cm) | 66·4 | 9·5 | 47·0 | 103·2 | |
| WHtR | 0·47 | 0·06 | 0·34 | 0·69 | |
| BMI (kg/m2) | 18·4 | 3·3 | 12·7 | 34·7 |
*Denotes statistically significant difference in means between males and females (P < 0·01).