Table 1.
Characteristics of the study populationa
| Girls (n = 170) | Boys (n = 138) | |
|---|---|---|
| Baseline data | ||
| Age, years | 9.6 ± 0.4 | 9.7 ± 0.4 |
| BMI, kg/m2 | 17.2 ± 2.4 | 17.1 ± 2.0 |
| BMI z-score | 0.4 ± 1.1 | 0.3 ± 1.0 |
| Puberty status (Tanner) | 2.3 ± 0.5 | 2.0 ± 0.0 |
| Physical activity, % who exercises regularly) | 47.6 | 61.9 |
| Inactivity, h/day | 5.5 ± 1.4 | 6.0 ± 1.6 |
| Father's income, % with lowest income category | 5.1 | 6.1 |
| Father's educational level, % with less than 10 years of school attendance | 16.9 | 19.4 |
| Mother's income, % with lowest income category | 7.8 | 9.1 |
| Mother's educational level, % with less than 10 years of school attendance | 14.1 | 12.4 |
| Total EI, MJ/day | 8.8 ± 2.1 | 9.5 ± 2.6 |
| Total fat intake, g/day | 77.8 ± 26.0 | 82.6 ± 30.0 |
| FE% | 33.3 ± 6.7 | 32.1 ± 6.6 |
| Father's BMI, kg/m2 | 25.4 ± 3.3 | 25.3 ± 3.4 |
| Mother's BMI, kg/m2 | 23.1 ± 3.6 | 24.0 ± 3.9 |
| Birth weight, g | 3,313 ± 512 | 3,419 ± 584 |
|
Follow-up data | ||
| BMI z-score | 0.5 ± 1.0 | 0.5 ± 1.0 |
FE% = fat energy percent.
a
Numbers are means ± SD at baseline where nothing else is stated.