Table 4.
Subject characteristics and the number of total and obese subjects in each age and sex group†
| Subject characteristics | Boys (n = 148) (mean ± SD) |
Girls (n = 99) (mean ± SD) |
|---|---|---|
| Age (yrs)* | 7.1 ± 2.2 | 6.0 ± 1.9 |
| Weight (kg)* | 32.5 ± 13.5 | 25.0 ± 8.2 |
| Height (cm)* | 128.8 ± 14.4 | 120.5 ± 13.7 |
| Waist (cm)* | 60.1 ± 12.1 | 54.0 ± 6.9 |
| Trunk fat-DXA (kg)* | 4.6 ± 4.0 | 3.1 ± 2.3 |
| Total fat-DXA (kg)* | 9.6 ± 8.2 | 6.7 ± 4.8 |
| % body fat | 25.8 ± 12.3 | 25.2 ± 9.4 |
| Age | Boys [total (obese)] | Girls [total (obese)] |
| 3 yrs | 8 (1) | 11 (0) |
| 4 yrs | 14 (4) | 17 (4) |
| 5 yrs | 19 (1) | 11 (2) |
| 6 yrs | 17 (2) | 21 (2) |
| 7 yrs | 24 (3) | 16 (2) |
| 8 yrs | 21 (8) | 12 (3) |
| 9 yrs | 17 (9) | 7 (1) |
| 10 yrs | 22 (4) | 4 (0) |
| 11 yrs | 6 (2) | 0 (0) |
| Total sample | 148 (34) | 99 (14) |
SD, standard deviation.
Significant sex difference (p < 0.05) from t test.
The international cut-off points for obesity between 2 and 18 years of age were used to define obesity in the sample (23). Each age-sex cell presents the total number of subjects and the number of obese subjects (in parentheses).