Characteristics of participants with valid accelerometer data
| Characteristic | Boys (n=174; 57.4%) | Girls (n=129; 42.6%) | All (n=303) |
| Mean age±SD, months | 58.3±5.6 | 57.1±5.3 | 57.8±5.5 |
| Mean height±SD, cm | 111.4±5.0 | 110.3±4.9 | 111.0±5.0 |
| Median weight (IQR), kg | 20.6 (20.1–21.1)* | 19.3 (18.8–19.8) | 20.0 (19.7–20.4) |
| Median BMI (IQR), kg/m2 | 16.5 (16.2–16.8)* | 15.8 (15.5–16.1) | 16.2 (16.0–16.4) |
| BMI category, % | |||
| Normal | 76.4* | 86.8 | 80.9 |
| Overweight | 15.5* | 10.1 | 13.2 |
| Obesity | 8.1* | 3.1 | 5.9 |
*P<0.05, boys versus girls.
BMI, body mass index.