Table 3: Characteristics of the Participants in the Longitudinal Study (One Year of Follow-Up)

Δ BMI z-sc < 0,3 (n=43) Δ BMI z-sc ≥ 0,3 (n=17)
T1 T2 p T1 T2 p
Age (years) 11.5 ± 2.21 12.6 ± 2.2 <0.001 11.5 ± 3.0 12.6 ± 3.0 <0.001
Weight (kg) 70.2 ± 19.1 78.0 ± 18.0 <0.001 69.9 ± 16.7 67.5 ± 13.4 0.191
Waist/Hip 0.928 ± 0.054 0.920 ± 0.065 0.347 0.912 ± 0.028 0.905 ± 0.059 0.630
Waist/Height 0.609 ± 0.059 0.616 ± 0.058 0.354 0.628 ± 0.045 0.569 ± 0.057 <0.001
BMI (kg/m²) 29.2 ± 4.8 30.6 ± 4.8 0.005 30.2 ± 4.0 27.1 ± 3.1 <0.001
BMI z-score 2.14 ± 0.36 2.15 ± 0.32 0.845 2.36 ± 0.68 1.90 ± 0.65 <0.001

BMI, body mass index Values are given as mean ± SD.