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Table 1 Descriptive statistics of the population

From: Active transport between home and school assessed with GPS: a cross-sectional study among Dutch elementary school children

  Total Boys Girls
  n Mean± SD n Mean± SD n Mean± SD
Age (years) 79 8.6 ± 1.4 37 8.6 ± 1.3 42 8.5 ± 1.4
Body height (cm) 78 137.5 ± 9.6 36 138.0 ± 9.3 42 137.0 ± 10.0
Body weight (kg) 78 34.8 ± 10.3 36 34.8 ± 9.5 42 34.9 ± 10.9
  n % n % n %
BMI category       
Normal 53 67.9 26 72.2 27 64.3
Overweight 25 32.1 10 17.8 15 35.7
City       
Haarlem 8 10.1 2 5.4 6 14.3
Amersfoort 30 38.0 16 43.2 14 33.3
Hengelo 24 30.4 12 32.4 12 28.6
Vlaardingen 8 10.1 4 10.8 4 9.5
Rotterdam 9 11.4 3 8.1 6 14.3