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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