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Table 3 Delta changes in descriptive variables from baseline to follow up time point

From: A randomized controlled trial on a multicomponent intervention for overweight school-aged children – Copenhagen, Denmark

  n Control ∆adj n Intervention ∆adj n Intervention effect ∆adj P value
Body composition        
 Weight (kg) intention-to-treat 18 1.9 (1.7; 2.1) 19 -1.9 (-2.1; -1.6) 37 -4.0 (-4.9; -3.0) P <0.001
 BMI (kg/m2) intention-to-treat 18 0.3 (0.3; 0.4) 19 -1.6 (-1.7; -1.5) 37 -2.0 (-2.5; -1.5) P <0.001
 zBMI intention-to-treat 18 0.07 (0.05; 0.08) 19 -0.43 (-0.44; -0.42) 37 -0.5 (-0.6; -0.4) P <0.001
 Weight (kg) 18 2.0 (1.4; 2.7) 18 -2.0 (-2.6; -1.3) 36 -4.0 (-4.9; -3.0) P <0.001
 BMI (kg/m2) 17 0.4 (0.0; 0.7) 18 -1.6 (-2.0; -1.3) 35 -2.0 (-2.5; -1.5) P <0.001
 zBMI 17 -0.07 (-0.2; 0.2) 18 -0.44 (-0.5; -0.3) 35 -0.5 (-0.6; -0.4) P <0.001
 Waist (cm) 17 -0.5 (-2.0; 0.9) 18 -5.3 (-6.7; -3.9) 35 -4.8 (-6.8; -2.8) P <0.001
 Hip (cm) 17 -0.7 (-2.1; 0.6) 18 -5.3 (-6.6; -4.0) 35 -4.5 (-6.4; -2.6) P <0.001
 Waist-to-height ratio 17 -0.01 (-0.02; 0.00) 18 -0.05 (-0.06; -0.04) 35 -0.03 (-0.05; -0.02) P <0.001
DXA scan 18   18   36   
 Lean body mass (g)   1,806 (1,352; 2,260)   1,043 (584; 1,501)   -763 (-1,426; -101,1) P <0.05
 Fat mass (g)   711 (185; 1,238)   -2,733 (-3,261; -2,205)   -3,344 (-4,200; -2,689) P <0.001
 Body fat tissue percent (%)   -0.4 (-1.5; 0.7)   -5.3 (-6.4; -4.2)   -4.9 (-6.5; -3.3) P <0.001
 Android fat mass (g)   53.8 (-33.8; 141.5)   -324.5 (-411.0; -237.9)   -378.3 (-503.6; -253.0) P <0.001
 Gynoid fat mass (g)   121.2 (5.0; 237.5)   -446.4 (-561.4; -331.5)   -567.7 (-732.8; -402.5) P <0.001
 Android/gynoid ratio   0.005 (-0.01; 0.02)   -0.044 (-0.06; -0.02)   -0.049 (-0.08; -0.02) P <0.001
Blood Pressure and pulse 18   18   36   
 Systolic (mmHg)   0.4 (-4.1; 5.0)   2.3 (-2.2; 6.9)   1.9 (-4.5; 8.4) 0.6
 Diastolic (mmHg)   -0.2 (-5.1; 4.7)   -1.1 (-6.0; 3.7)   -0.9 (-7.8; 6.0) 0.8
 Heart Rate (beats/min)   1.5 (-2.8; 5.8)   -4.2 (-8.5; 0.1)   -5.7 (-11.8; 0.4) 0.07
Fitness        
 Steps per day (maximum) 14 2,760 (408; 5,111) 13 4,705 (2,314; 7,096) 27 1,946 (-1,140; 5,331) 0.3
 Modified Andersen fitness test (meter) 17 62.3 (26.4; 98.3) 16 92.3 (55.3; 129.3) 33 30.0 (-22.0; 81.8) 0.3
 Jumping test (cm) 18 1.9 (-0.3; 4.1) 17 4.0 (1.8; 6.2) 35 2.1 (-1.1; 5.2) 0.2
  1. P values are representing the intervention effects (the difference in change between the groups) adjusted for the respective baseline values (95% confidence intervals).
  2. P values assessed by ANCOVA.
  3. zBMI, standardized BMI.