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Table 2 Baseline demographic and anthropometric characteristics by randomization arm and weight category

From: Impact of physical activity on energy balance, food intake and choice in normal weight and obese children in the setting of acute social stress: a randomized controlled trial

  Normal weight (n = 26) Overweight/obese (n = 24) Adjusted differences between
Outcome variables Sedentary (n = 13) Physical activity (n = 13) Sedentary (n = 12) Physical activity (n = 12) Randomization arms Weight categories
Age (yrs) 8.5 ± 0.9 8.6 ± 0.6 9.6 ± 1.4 8.9 ± 1.2 −0.27 (−0.9 to 0.4) 0.7 (0.05 to 1.3)*
Girls/Boys (n) 7/6 6/7 6/6 9/3 1.4 (.5 to 4.2) 1.7 (0.5 to 5.2)
Height (cm) 134.4 ± 6.7 131.9 ± 5.6 143 ± 12 137.8 ± 11.4 −3.8 (−9.3 to 1.8) 7.3 (2 to 12.6)**
Waist circumference (cm) 57.5 ± 2.8 57.7 ± 11.5 82.2 ± 9.2 78.9 ± 9.6 −1.5 (−9.8 to 6.8) 23 (18 to 28)***
Weight (kg) 28.5 ± 3.9 28.4 ± 3.8 50.4 ± 9.2 43.6 ± 10 −3.3 (−10.1 to 3.5) 18.6 (14.3 to 22.8)***
BMI (kg/m2) 15.7 ± 1.1 16.2 ± 1.2 24.6 ± 3.3 22.7 ± 2.6 −0.63 (−3.2 to 1.9) 7.7 (6.4 to 9)***
BMI z-score −0.15 ± 0.5 0.14 ± 0.7 3.13 ± 1.5 2.56 ± 1.1 −0.12 (−1.1 to 0.9) 2.85 (2.3 to 3.4)***
Parental SES 2.84 ± 0.6 3.11 ± 0.6 2.25 ± 0.8 2.5 ± 0.2 0.3 (−0.2 to 0.7) −0.6 (−1 to −0.2)**
Parental migrant status yes/no (n) 5/8 7/6 3/9 2/10 0.8 (0.3 to 2.7) 3.3 (0.9 to 11.4)
  1. *p < 0.05; **p < 0.01; ***p < 0.001.
  2. BMI = body mass index; SES = socioeconomic status. The overweight/obese group includes 19 obese children.
  3. Parental migrant status denotes children with at least one migrant parent. Results are shown as mean ± standard deviation, as odds ratios (95% confidence interval) for socioeconomic status or as differences (95% confidence interval) between randomization groups (children in the physical vs. the sedentary activity group) or weight categories (overweight/obese vs. normal weight children).