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Table 2 Body size and physical activity of participants

From: School playgrounds and physical activity policies as predictors of school and home time activity

  Boys Girls P
n 235 206  
Age (years) 8.0 (1.1) 8.1 (1.1) 0.610
Height (cm) 129.5 (8.4) 128.4 (8.0) 0.059
Height z-score 0.33 (0.93) 0.13 (0.90) <0.001
Weight (kg) 29.3 (7.0) 28.6 (6.0) 0.234
Weight z-score 0.54 (0.86) 0.38 (0.83) 0.022
BMI (kg/m2) 17.2 (2.3) 17.2 (2.1) 0.911
BMI z-score 0.51 (0.81) 0.46 (0.75) 0.530
Overweight or obese n (%)* 60 (25.5) 48 (23.3) 0.614
  1. All data are presented as mean (SD) except where stated.
  2. P for difference between boys and girls.
  3. *According to US reference norms [27].