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Table 1 Body composition and maximal oxygen uptake measured at baseline and after 12 weeks

From: A 12-week after-school physical activity programme improves endothelial cell function in overweight and obese children: a randomised controlled study

   Exercise Group (n = 15) Control Group (n = 14)  p -value (Interaction)
Age (years)   12.1 ± 0.1 12.2 ± 0.1 N/A
Sex, boys/girls   7/8 7/7 N/A
Overweight/obese Baseline 7/8 6/8 N/A
12 weeks 10/5 5/9
Height (m) Baseline 1.46 ± 0.02 1.47 ± 0.02 0.905
12 weeks 1.48 ± 0.02 1.49 ± 0.02
Body mass (kg) Baseline 52.0 ± 1.8 52.3 ± 1.3 0.001
12 weeks 51.0 ± 1.6 54.8 ± 1.3
BMI (kg/m2) Baseline 24.4 ± 0.4 24.3 ± 0.3 0.001
12 weeks 23.2 ± 0.4 24.6 ± 0.4
Waist Baseline 82.5 ± 1.7 76.3 ± 1.9 0.001
Circumference (cm) 12 weeks 79.9 ± 1.9 78.9 ± 2.0
SBP (mm Hg) Baseline 108 ± 3 110 ± 2 0.470
12 weeks 111 ± 3 111 ± 2
DBP (mm Hg) Baseline 62 ± 1 66 ± 2 0.663
12 weeks 63 ± 2 66 ± 2
Maximal oxygen Baseline 34.1 ± 1.5 35.9 ± 1.0 0.001
Uptake (ml/kg/min) 12 weeks 37.8 ± 1.6 33.2 ± 1.0  
  1. Values are mean ± SEM. BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; N/A, not applicable.