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Table 8 Impact of socio-economic status on HRQoL children self reports and parents proxy report

From: Measuring adolescents' HRQoL via self reports and parent proxy reports: an evaluation of the psychometric properties of both versions of the KINDL-R instrument

  Socio-economic statusa   
  Low Medium High d-effect sizeb d-effect sizeb
     all 11–13/14–17 years
N 2036 3507 1880   
  Mean Mean Mean   
Self Report      
Total 71.89 72.71 73.38 -0.14** -0.15/-0.11
Physical 70.13 70.61 71.35 -0.07 ns -0.07/-0.09
Psychological 80.86 81.16 81.52 -0.05 ns -0.17/0.01
Self-Esteem 57.55 58.40 58.92 -0.07* 0.17/-0.24
Family 81.79 81.72 82.59 -0.05 ns -0.17/0.01
Friends 77.51 77.99 76.34 0.08** 0.02/0.10
School 63.56 66.31 69.65 -0.36** -0.39/-0.37
Parent Report      
Total 73.44 74.23 75.10 -0.16** -0.21/-0.13
Physical 72.49 74.22 75.64 -0.18** -0.26/-0.14
Psychological 78.50 79.17 79.99 -0.11** -0.14/-0.05
Self-Esteem 66.48 67.37 68.07 -0.07** -0.08/-0.06
Family 76.28 76.17 76.84 0.04ns -0.01/0.02
Friends 77.54 77.39 75.97 0.01ns 0.05/-0.01
School 69.24 71.16 74.13 -0.13** -0.19/-0.12
  1. Standard errors (SE) for the means: low SES = 0.24 – 0.45 (self) vs. 0.17 – 0.28 (parent); medium SES = 0.18 – 0.31 (self) vs. 0.17 – 0.30 (parent); high SES = 0.23 – 0.39 (self) vs. 0.23 – 0.39 (parent); 95% confidence intervals = mean +/- 1.96*SE)
  2. aSocioeconomic status classification according to the Winkler Index [27].
  3. b"d"-effect size for comparison between low and high socioeconomic status (0.2 = small; 0.5 = medium; 0.8 = large effect)
  4. * statistical significant (p < .05) F-value in ANOVA; ** statistical significant (p < 0.01) F-value in ANOVA
  5. No statistically significant interaction was observed for mode * socio-economic status
  6. All statistical interactions between mode (parent versus self) and CSHCN were statistically significant
  7. All statistical interactions between mode (parent versus self) and weight status were statistically non-significant except for KINDL Psych (p = 0.011; "f" = 0.04 [marginal effect]).