Table 2.
Weight status* distribution by age and gender among young Hong Kong Chinese children aged 6·1–12·9 years
| Underweight | Normal weight | Overweight | Obese | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | P | |
| <8 years | 9 | 5·0 | 140 | 78·2 | 21 | 11·7 | 9 | 5·0 | |
| 8–10 years | 21 | 10·0 | 127 | 60·8 | 46 | 22·0 | 15 | 7·2 | |
| >10 years | 27 | 11·6 | 152 | 65·5 | 41 | 17·7 | 12 | 5·2 | <0·01 |
| Males | |||||||||
| <8 years | 3 | 3·1 | 77 | 78·6 | 12 | 12·2 | 6 | 6·1 | |
| 8–10 years | 8 | 6·8 | 70 | 59·8 | 29 | 24·8 | 10 | 8·5 | |
| >10 year | 11 | 9·8 | 65 | 58·0 | 26 | 23·2 | 10 | 8·9 | <0·05 |
| Females | |||||||||
| <8 years | 6 | 7·4 | 63 | 77·8 | 9 | 11·1 | 3 | 3·7 | |
| 8–10 years | 13 | 14·1 | 57 | 62·0 | 17 | 18·5 | 5 | 5·4 | |
| >10 years | 16 | 13·3 | 87 | 72·5 | 15 | 12·5 | 2 | 1·7 | NS |
*
Weight status based on the International Obesity Task Force categories for underweight, overweight and obese, defined as BMI crossing through 18·5 kg/m2, 25·0 kg/m2 and 30·0 kg/m2, respectively, at the age of 18 years( 21 ).