Table 4 Mean BMI (kg/m2) at follow-up related to level of central adiposity (i.e. waist circumference) at baseline, stratified by timing of sexual maturation (SM timing) and gender
High waist circumference (> median) | Low waist circumference (≤ median) | |||||
|---|---|---|---|---|---|---|
SM timing | No. of participants | Mean a BMI (95% CI) | No. of participants | Mean a BMI (95% CI) | Meana difference(95% CI) | P-value |
Boys | ||||||
Early | 103 | 24.7 (23.7–25.6) | 60 | 21.8 (20.7–22.9) | 2.9 (1.4–4.4) | < .001 |
Intermediate | 167 | 24.9 (24.1–25.7) | 180 | 21.5 (20.7–22.3) | 3.4 (2.3–4.5) | < .001 |
Late | 52 | 23.8 (22.5–25.1) | 109 | 20.5 (19.5–21.5) | 3.3 (1.6–4.9) | < .001 |
Girls | ||||||
Early | 89 | 24.7 (23.4–25.9) | 83 | 21.2 (19.9–22.4) | 3.5 (1.7–5.3) | < .001 |
Intermediate | 236 | 24.0 (23.4–24.6) | 224 | 21.3 (20.7–22.0) | 2.7 (1.8–3.6) | < .001 |
Late | 58 | 22.2 (21.3–23.0) | 121 | 21.0 (20.3–21.7) | 1.2 (0.1–2.2) | .04 |