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Table 1 Baseline anthropometric characteristics of pupils: intervention group and control group

From: A primary-school-based study to reduce the prevalence of childhood obesity – the EdAl (Educació en Alimentació) study: a randomized controlled trial

  Intervention group (n = 1,222) Control group (n = 717)
  Mean ± SD Mean ± SD
  Boys Girls Total Boys Girls Total
Weight (kg) 31.26 ± 7.11 30.71 ± 7.26 30.99 ± 7.19 29.3 ± 6.75 29.53 ± 7.23 29.42 ± 7
Body mass index (kg/m2) 17.73 ± 3.16 17.65 ± 3.22 17.69 ± 3.19 17 ± 2.77 17.17 ± 3.07 17.09 ± 2.93
Height (m) 132.3 ± 6.27 131.4 ± 6.53 131.9 ± 6.41 130.7 ± 6.73 130.4 ± 6.82 130.6 ± 6.78
Fat mass (kg) 6.44 ± 4.49 6.67 ± 4.15 6.55 ± 4.33 5.43 ± 3.42 6.47 ± 4.92 5.97 ± 4.3
Lean mass (kg) 24.71 ± 3.62 23.76 ± 3.09 24.26 ± 3.41 23.89 ± 3.97 23.31 ± 3.42 23.59 ± 3.7
Waist circumference (cm) 60.69 ± 7.85 58.98 ± 7.33 59.85 ± 7.64 59.8 ± 7.18 60.04 ± 8.28 59.93 ± 7.77
  1. Body mass index was calculated as weight (kg)/height squared (m2). Fat and lean mass were calculated using a Standard Beam Balance (Tanita TBF-300 Body Composition Analyzer; Tanita Corporation of America, Inc. 2625 South Clearbrook Drive, Arlington Heights, Illinois 60005, USA).