Table 1 Characteristics of the study cohort at baseline
Timing of sexual maturation | ||||
|---|---|---|---|---|
Characteristics | Gender | Early | Intermediate | Late |
Age, mean (95% CI) | boys | 14.3 (14.2–14.5) | 14.2 (14.1–14.3) | 14.0 (13.9–14.1) |
girls | 14.2 (14.1–14.3) | 14.3 (14.2–14.4) | 14.2 (14.1–14.3) | |
Pubertal status (PDS), mean score (95% CI)a | boys | 3.1 (3.1–3.2) | 2.4 (2.4–2.4) | 1.7 (1.6–1.7) |
Age at menarche, mean years (95% CI) | girls | 11.7 (11.6–11.8) | 13.1 (13.0–13.1) | 14.8 (14.7–14.9) |
Waist circumference, mean a (95% CI) | boys | 73.6 (72.4–74.7) | 72.1 (71.3–72.8) | 69.8 (68.7–70.9) |
girls | 68.4 (67.4–69.5) | 68.6 (67.9–69.2) | 65.8 (64.8–66.8) | |
Body mass index, mean a (95% CI) | boys | 20.7 (20.3–21.1) | 19.9 (19.6–20.2) | 19.2 (18.8–19.7) |
girls | 21.1 (20.7–21.5) | 20.6 (20.3–20.8) | 18.9 (18.5–19.3) | |