Mean (SD) body mass index (BMI), fitness and LTPA in cohorts A and B. Range for fitness and LTPA in the tertile groups (I-III) are also presented
| Cohort A – 13 and 17 year (n=351) | Cohort B – 9 and 17 year (n=74) | ||||
|---|---|---|---|---|---|
| n | n | ||||
| Preschool BMI (2–7 y), kg/m2 | 15.9 (1.2) | 351 | |||
| BMI at age 9, kg/m2 | 17.0 (2.2) | 74 | |||
| Overweight*, % | 12.2 | 9 | |||
| BMI at age 13, kg/m2 | 19.3 (3.0) | 351 | |||
| Overweight†, % | 15.1 | 53 | |||
| BMI at age 17, kg/m2 | 21.4 (3.1) | 351 | 21.8 (3.3) | 74 | |
| Overweight‡, % | 15.7 | 55 | 16.2 | 12 | |
| Fitness at age 9, number of shuttles run | 34.3 (12.5) | ||||
| Least fit | I | 11–28 | 25 | ||
| II | 29–37 | 26 | |||
| Most fit | III | 38–69 | 23 | ||
| Fitness at age 17, (VO2max), ml/kg/min | 40.4 (7.2) | 40.1 (7.6) | |||
| Least fit | I | 23.4–37.2 | 117 | 24.0–37.0 | 25 |
| II | 37.2–43.3 | 117 | 37.7–42.0 | 24 | |
| Most fit | III | 43.4–58.0 | 117 | 42.7–55.5 | 25 |
| LTPA at age 9, MET h/week | 19.0 (17.9) | ||||
| Sedentary | I | 0–5.0 | 25 | ||
| II | 7.2–19.5 | 25 | |||
| Active | III | 21.1–93.4 | 24 | ||
| LTPA at age 13, MET h/week | 27.9 (21.7) | ||||
| Sedentary | I | 0–13.3 | 114 | ||
| II | 19.5–31.3 | 133 | |||
| Active | III | 32.6–93.4 | 104 | ||
| LTPA at age 17, MET h/week | 28.1 (22.9) | 25.7 (23.5) | |||
| Sedentary | I | 0–11.8 | 119 | 0–8.0 | 24 |
| II | 13.3–32.6 | 129 | 11.8–31.3 | 25 | |
| Active | III | 35.0–93.4 | 103 | 32.6–93.4 | 25 |
| Change in mean LTPA, MET h/week | 0.2 (22.2) | 6.7 (23.1) | |||