Table 3

Estimated effect of intervention on primary and secondary outcomes (positive is an increase, negative is a decrease)

VariableNumber with both baseline and outcome data control/interventionMean change in control groupMean change in intervention groupAdjusted difference between intervention and control (95% CI)*p Value
Primary outcome
 BMI at 26 weeks (kg/m2)71/740.250.18−0.11 (−0.62 to 0.40)0.7
Secondary outcomes (at 26 weeks unless specified)
 BMI at 52 weeks (kg/m2)55/600.800.50−0.22 (−1.05 to 0.61)0.6
 BMI z-score71/74−0.03−0.020.00 (−0.07 to 0.07)>0.9
 Waist circumference (cm)61/640.16−0.11−0.72 (−3.28 to 1.84)0.6
 Weight (kg)71/741.772.000.07 (−1.51 to 1.65)0.9
 Fat percentage55/601.250.71−0.21 (−1.57 to 1.14)0.8
 Supine systolic BP (mm Hg)68/732.193.040.01 (−3.24 to 3.26)>0.9
 Supine diastolic BP (mm Hg)68/733.412.08−1.21 (−4.63 to 2.20)0.5
 Eat-26 (0–39)
  Eating attitude score65/69−0.72−0.840.15 (−1.24 to 1.54)0.8
  Dieting scale score65/69−1.03−1.26−0.09 (−2.32 to 2.14)0.9
 IWQOL-Kids (0–100)
  Participant-reported global score63/696.225.940.14 (−3.53 to 3.81)0.9
  Parent-reported global score52/504.377.460.51 (−3.91 to 4.93)0.8
 Rosenberg global score61/641.771.45−0.25 (−1.70 to 1.20)0.7
 Insulin (IU/L)56/614.313.901.51 (−1.46 to 4.48)0.3
 LDL cholesterol (mmol/L)53/61−0.20−0.130.09 (−0.07 to 0.26)0.3
 HDL cholesterol (mmol/L)53/61−0.08−0.040.02 (−0.06 to 0.09)0.7
 Triglycerides (mmol/L)55/61−0.01−0.070.08 (−0.08 to 0.24)0.3
  • IWQOL-Kids—Higher score means higher weight-related quality of life.

  • BMI, body mass index; BP, blood pressure; EAT-26, 26-Item Eating Attitudes Test; HDL, high-density lipoprotein; IWQOL-Kids, Impact of Weight on Quality of Life-Kids; LDL, low-density lipoprotein.

  • *95% confidence interval.