Table 3

Differences in anthropometric measures between boys and girls at follow-up (separately in control and intervention arms)

ControlIntervention
BoysGirlsBoysGirls
StatisticsMean (SD)*Mean (SD)*Mean (SD)*Mean (SD)*
VariableNMedian [q1; q3]NMedian [q1; q3]p Value†NMedian [q1; q3]NMedian [q1; q3]p Value†
Weight (kg)10127.2 [24.9; 31.4]11828.9 [24.4; 34.2]0.38010227.2 [24.5; 32.2]9227.3 [22.6; 32.5]0.552
Height (cm)101130.2 (6.5)*118130.3 (6.3)*0.871102131.6 (6.4)*92130.3 (7.2)*0.197
BMI (kg/m2)10116.5 [14.7; 18.0]11817.0 [15.2; 19.8]0.24910215.9 [14.5; 18.0]9216.1 [14.3; 18.8]0.984
BMI SD-score (British 1990)1010.34 (1.6)*1180.40 (1.4)*0.7561020.14 (1.5)*920.04 (1.5)*0.642
Waist circumference (cm)10157 [53.6; 63.3]11860.0 [54; 66.7]0.13610257.1 [53.8; 63.8]9255.7 [52.8; 64.2]0.205
Waist to height ratio1010.44 [0.42; 0.48]1180.46 [0.43; 0.51]0.0581020.43 [0.41; 0.48]920.43 [0.40; 0.48]0.604
Biceps (mm)1016.0 [4.5; 9.5]1187.3 [5.2; 9.6]0.0481025.6 [4.2; 8.8]916.4 [4.5; 9.1]0.253
Triceps (mm)1019.9 [7.2; 14]11811.7 [9.6; 15.3]0.0071029.8 [6.5; 13.2]9010.9 [9; 14.6]0.008
Subscapular (mm)1016.4 [5; 8.3]1138.6 [5.8; 12.3]<0.0011026 [4.9; 8.1]897.1 [2.6; 10.3]0.007
Suprailiac (mm)1006.2 [4.1; 9.7]11310 [6.4; 14.34]<0.0011025.9 [4.1; 11.6]887.1 [5.1; 13.2]0.022
Thigh (mm)8814.7 [11.1; 20.0]9219.9 [14; 26.7]<0.0018615.2 [11.2; 20.1]7415.8 [12.6; 22.4]0.201
Total skinfolds (mm)8842.1 [31.7; 59.3]9052.0 [41.1; 76.6]<0.0018643.5 [31.3; 59.8]7447.7 [36.3; 61.8]0.145
2 Central skinfolds (mm)10012.3 [9.1; 17.7]11018.2 [12.8; 25.7]<0.00110212.1 [9.2; 20.8]8714.5 [10.6; 22.4]0.014
3 Peripheral skinfolds (mm)8829.6 [22.8; 41.3]9237.4 [29.9; 50.6]<0.0018631.6 [22.2; 42.3]7433.0 [25.7; 42.1]0.183
Central-to-peripheral ratio880.41 [0.36; 0.46]900.48 [0.38; 0.56]0.008860.42 [0.37; 0.51]740.44 [0.38; 0.51]0.467
  • †Two-sample independent t test or non-parametric Wilcoxon-Mann-Whitney rank sum test depending on underlying normality.

  • BMI, body mass index.