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Table 5 Comparing mobility impaired child self-reported and parent proxy outcomes: agreement, correlation and respondent type effect

From: Measuring the health-related quality of life of children with impaired mobility: examining correlation and agreement between children and parent proxies

  N (Dyads) Mean difference 95% confidence limits Overall agreement limit Wilcoxon signed rank p Spearman’s Rho correlation coefficientb
EQ-5D-Y 11 0.24 −0.29 to 0.75 1.04 0.012* 0.665*
VASa 13 0.04 −0.12 to 0.20 0.32 0.138 0.545
HUI2 13 0.05 −0.06 to 0.15 0.22 0.021* 0.728*
HUI3 13 0.16 −0.06 to 0.18 0.22 0.009* 0.842*
  1. * Significant at 0.05 level
  2. a Converted to 0 to 1 scale
  3. b Strength of correlation: <0.20 = absent; 0.20 to 0.35 = weak; 0.35 to 0.50 = moderate; ≥0.50 = strong