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Table 3 Linear regression analysis of the association of obesity grade with continuous measures of quality of life using two models

From: Health related quality of life associated with extreme obesity in adolescents – results from the baseline evaluation of the YES-study

 EQ-VASDCGM-31KINDLR
Estimate [95% CI]Estimate [95% CI]Estimate [95% CI]
Model Ae
Obesity grade
  IRef.Ref.Ref.
  II−3.91 [− 10.05; 2.22]− 5.05 [− 9.88; − 0.24]− 2.70 [− 7.58; 2.13]
  III− 4.23 [− 10.47; 2.00]− 9.70 [− 14.69; − 4.70]−6.59 [− 11.63; − 1.55]
Age−1.45 [− 2.84; − 0.05]−0.87 [− 1.97; 0.24]−0.22 [− 1.43; 0.99]
Gender (female)0.29 [−4.56; 5.14]− 8.11 [− 11.91; − 4.31]−9.57 [− 13.47; − 5.67]
Model Be
Obesity grade
  IRef.Ref.Ref.
  II−3.11 [− 10.23; 4.01]− 6.48 [− 11.88; − 1.08]− 2.41 [− 8.32; 3.51]
  III−4.59 [− 12.00; 2.82]−9.65 [− 15.47; − 3.83]−5.45 [− 11.66; 0.77]
Age−1.54 [− 3.33; 0.25]− 0.43 [− 1.88; 1.01]−0.003 [− 1.67; 1.68]
Gender (female)1.58 [− 4.17; 7.34]−9.37 [− 13.76; − 4.98]−9.37 [− 14.17; − 4.56]
Pretreatment status
  No pretreatmentRef.Ref.Ref.
  Inpatient− 0.21 [− 7.11; 6.69]−3.89 [−9.19; 1.42]− 2.06 [− 7.75; 3.64]
  Outpatient1.86 [− 5.50; 9.22]1.34 [−4.45; 7.12]3.89 [− 2.20; 9.99]
Comorbidities (yes)a−1.47 [− 7.70; 4.75]−1.23 [− 6.00; 3.54]1.75 [− 3.41; 6.92]
Physical activity (yes)b5.64 [− 0.39; 11.68]5.24 [0.54; 9.95]4.32 [−0.77; 9.42]
Parental educationc
  lowRef.Ref.Ref.
  medium0.65 [−6.42; 7.72]1.56 [−4.13; 7.25]1.78 [−4.21; 7.78]
  high8.52 [1.08; 15.95]3.25 [−2.64; 9.15]5.76 [−0.55; 12.08]
Migration backgroundd−4.17 [− 10.23; 1.90]−0.75 [− 5.59; 4.08]− 2.97 [− 8.14; 2.21]
Screen time (> 4 h)−4.13 [− 10.20; 1.93]−5.65 [− 10.38; − 0.92]−5.66 [− 10.75; − 0.57]
  1. a hypertension, dyslipidemia and dysglycemia
  2. b based on answers to the question “Do you exercise regularly?”;
  3. c low education: ≤9 years; medium education: 10–11 years; high education: ≥12 years
  4. d at least one parent born abroad and/or foreign citizen status
  5. e Both models were additionally adjusted for study centers
  6. Note: Values in bold are significant at p < 0.05; Obesity Grade definitions: I: BMI 30 to 34.9 kg/m2; II: BMI 35 to 39.9 kg/m2; III: BMI ≥ 40 kg/m2; DCGM-31: DISABKIDS chronic generic module;