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Table 1 Description of the sample - KiGGS vs. treatment sample groups

From: Health-related quality of life in overweight German children and adolescents: do treatment-seeking youth have lower quality of life levels? Comparison of a clinical sample with the general population using a multilevel model approach

  KiGGS sample (8–16 years) Obeldicks light treatment sample p-value
N 6354 (unweighted) 137  
% female 53.0 62.8 <0.01
% adolescents (≥ 11 year olds) 30.5 52.6 <0.001
Age: M (s.e.) 12.75 (0.03) 11.24 (0.15) <0.001
% HRQoL proxy- report by mother 83.7 81.4 n.s.
Proxy BMI: M (s.e.) 25.28 (0.07) 27.47 (0.32) <0.001
SES score: M (s.e.) 11.60 (0.10) 11.12 (0.34) n.s.
BMI z-score 0.53 (0.01) 1.62 (0.01) <0.001
% immigrants 15.6 9.5 <0.05
Weight categories: <0.001
% normal-weight 79.1 -  
% overweight 11.9 100  
% obese 9.0 -  
Perceived weight status: parent-reported (N=6354 KiGGS, N=137 Obeldicks light)
% proper weight 70.8 0.7 <0.001
% a bit too fat 24.7 78.8
% far too fat 4.5 20.5
Perceived weight status: self-reported (N=4490 KiGGS)
% proper weight 47.3 -  
% a bit too fat 44.0 -
% far too fat 8.7 -  
  1. Note: p-values are based on independent samples t-tests for continuous variables and χ2 tests for categorical variables. n.s. = not significant (p>0.05); s.e. = standard error.