Table 1.

Anthropometric characteristics by age group.

Age group (N, % male)	Age(years)	Height (cm)	Weight (kg)	BMI Percentile
6–7 years (352, 56.0%)	6.7 ± 0.2	122.7 ± 5.3	24.3 ± 4.6	51.3 ± 29.8
7–8 years (5,875, 49.0%)	7.7 ± 0.2	128.6 ± 5.7	27.2 ± 5.4	50.8 ± 28.7
8–9 years (8,156, 51.2%)	8.4 ± 0.3	132.5 ± 5.9	29.8 ± 6.6	51.6 ± 29.7
9–10 years (3,144, 55.2%)	9.4 ± 0.3	137.4 ± 6.5	33.6 ± 8.2	53.9 ± 31.2
10–11 years (641, 52.7%)	10.4 ± 0.3	142.1 ± 6.6	37.1 ± 9.3	53.8 ± 31.8

Values are mean ± SD.