Table 3.
Different BMI categories among high adiposity
| BMI cut-offs | High adiposity* | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boys (n 1707) | Girls (n 597) | |||||||||||||||
| All | 7–10 years | 11–14 years | 15–17 years | All | 7–10 years | 11–14 years | 15–17 years | |||||||||
| n | % | n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
| IOTF | ||||||||||||||||
| Normal | 11 | 0·6 | 10 | 0·9 | 1 | 0·2 | 0 | 0·0 | 14 | 2·3 | 2 | 0·7 | 12 | 4·2 | 0 | 0·0 |
| Overweight | 448 | 26·2 | 286 | 24·5 | 157 | 33·1 | 5 | 7·6 | 183 | 30·7 | 36 | 13·4 | 137 | 47·9 | 10 | 23·3 |
| Obese | 1248 | 73·1 | 870 | 76·4 | 317 | 66·7 | 61 | 92·4 | 400 | 67·0 | 230 | 85·8 | 137 | 47·9 | 33 | 76·7 |
| WHO | ||||||||||||||||
| Normal | 15 | 0·9 | 12 | 1·1 | 3 | 0·6 | 0 | 0·0 | 50 | 8·4 | 3 | 1·1 | 47 | 16·4 | 0 | 0·0 |
| Overweight | 511 | 29·9 | 285 | 24·4 | 207 | 43·6 | 19 | 28·8 | 265 | 44·4 | 70 | 26·1 | 166 | 58·0 | 29 | 67·4 |
| Obese | 1181 | 69·2 | 869 | 74·5 | 265 | 55·8 | 47 | 71·2 | 282 | 47·2 | 195 | 72·8 | 73 | 25·5 | 14 | 32·6 |
| WGOC | ||||||||||||||||
| Normal | 51 | 3·0 | 27 | 2·3 | 24 | 5·1 | 0 | 0·0 | 67 | 11·2 | 5 | 1·9 | 62 | 21·7 | 0 | 0·0 |
| Overweight | 572 | 33·5 | 342 | 29·3 | 215 | 45·3 | 15 | 22·7 | 162 | 27·1 | 38 | 14·2 | 110 | 38·5 | 14 | 32·6 |
| Obese | 1084 | 63·5 | 797 | 68·4 | 236 | 49·7 | 51 | 77·3 | 368 | 61·6 | 225 | 84·0 | 114 | 39·9 | 29 | 67·4 |
IOTF, International Obesity Task Force; WGOC, Working Group of Obesity in China.
*
Defined as body fat percentage cut-off points of 25 % in all boys, 30 % in girls aged 7–14 years and 35 % in girls aged 15–17 years, presented as n and percentages.