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Table 1 Descriptive characteristics of European adolescents

From: Association of objectively measured physical activity with body components in European adolescents

  All (n = 2200) Males (n = 1016) Females (n = 1184) Pvalue
Age (years) 14.7 ± 1.2 14.7 ± 1.2 14.7 ± 1.2 0.613
Puberal status (I/II/III/IV/V)a 1/6/22/39/32 1/8/23/37/31 0/4/21/41/34  
Weight (kg) 58.1 ± 12 60.9 ± 13.3 55.7 ± 10.2 <0.001
Height (m) 1.66 ± 0.09 1.70 ± 0.10 1.62 ± 0.07 <0.001
BMI (kg/m2) 21.1 ± 3.5 21.1 ± 3.6 21.2 ± 3.5 0.471
Waist circumference (mm)b 71.6 ± 8.4 73.6 ± 8.8 70.0 ± 7.7 <0.001
Sum of 6 skinfod thickness (mm)b 89.2 ±38.4 75.2 ± 37.5 101.2 ± 34.9 <0.001
% Fat mass (%)a,b,c 23.2 ± 9.2 19.6 ± 10.2 26.1 ± 7.1 <0.001
Fat-free mass (kg)b,c 44.0 ± 7.7 48.2 ± 8.4 40.6 ± 5.1 <0.001
Fat-free mass BIA (kg)b,d 46.0 ± 8.3 51.3 ± 8.6 41.5 ± 4.5 <0.001
Light PA (min/day)b 168.9 ± 41.8 173.7 ± 44.8 164.8 ± 38.5 <0.001
Moderate PA (min/day)b 39.5 ± 14.4 42.4 ± 15.4 37.0 ± 13.1 <0.001
Vigorous PA (min/day)b 18.9 ± 13.7 24.4 ± 14.7 14.2 ± 10.8 <0.001
MVPA (min/day)b 58.4 ± 23.8 66.7 ± 25.2 51.2 ± 19.8 <0.001
Average PA (counts/min)b 435.1 ± 154.6 490.0 ± 165.7 387.9 ± 126.7 <0.001
  1. All values are mean ± standard deviation, or apercentages. BMI, body mass index; PA, physical activity. Non-transformed data are presented in this table, but analyses were performed on blog-transformed data.
  2. cCalculated from Slaughter [26], dderived from bioimpedance.