Table 2

Within-group changes and between-group differences in clinical outcomes of children from baseline to 2-year follow-up

Within-group changeBetween-group difference
Summer campLifestyle school
Δ B to 2y 95% CIΔ B to 2y 95% CIΔ B to 2y 95% CI
Primary outcomes
 BMI (kg/m2)1.5 (−0.1 to 3.0)2.3 (−0.1 to 4.6)−0.8 (−3.5 to −0.2)
 BMI SDS−0.44 (−0.85 to 0.04)−0.33 (−0.64 to 0.01)−0.11 (−0.49 to 0.05)
Other outcomes
 Weight (kg)12.9 (10.7 to 15.6)16.8 (14.3 to 20.0)−3.9 (−11.2 to 1.2)
 Waist circumference (cm)4.6 (−0.2 to 9.5)6.1 (0.03 to 12.8)−1.5 (−7.8 to 0.05)
 Waist-to-height ratio−0.02 (−0.04 to 0.01)−0.01 (−0.02 to 0.01)−0.01 (−0.04 to −0.001)
 Fat %0.3 (−0.1 to 0.6)0.8 (−0.2 to 1.8)−0.6 (−5.3 to −0.4)
 Fat mass (kg)4.7 (−0.2 to 9.9)7.1 (1.0 to 13.9)−2.4 (−7.7 to −0.4)
 Fat-free mass (kg)8.7 (0.6 to 16.5)9.9 (1.2 to 18.0)−1.3 (−4.1 to 2.2)
 Systolic blood pressure (mm Hg)0 (−1 to 1)−1 (−1 to 1)0 (−5 to 3)
 Diastolic blood pressure (mm Hg)−1 (−1 to 1)2 (−1 to 3)−3 (−5 to 1)
 Resting heart rate (beats/min)−3 (−7 to 1)−4 (−8 to 0)1 (−1 to 3)
 Distance 6 min walk test (m)50 (40 to 59)35 (−5 to 70)15 (−2 to 16)
  • Estimated changes (linear mixed models) in anthropometric measures and physical capacity for the children (n=90). Values are presented as mean (95% CI).

  • 2y, 2-year follow-up; B, baseline; BMI SDS, body mass index SD score; BMI, body mass index; Δ B to 2y, difference baseline to 2-year follow-up.