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Table 3 Outcome measure results and descriptive statistics (by child age group) for children with mobility impairments and parent proxies

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

Age Child self-report Parent proxy
6–15 16–18 All 6–15 16–18 All
EQ-5D-Ya
 Mean 0.08 0.52 0.24 0.00 0.04 0.01
 SD 0.14 0.30 0.30 0.18 0.04 0.14
 Median 0.03 0.65 0.23 0.03 0.04 0.03
 25th −0.02 0.46 0.02 −0.05 0.00 0.00
 75th 0.23 0.71 0.41 0.10 0.07 0.07
 N 7 4 11 7 4 11
VASb
 Mean 84.29 74.00 79.54 77.86 73.33 75.77
 SD 15.92 12.98 15.01 15.51 14.72 14.70
 Median 90.00 78.50 81.00 80.00 75.00 80.00
 25th 85.00 71.75 77.00 77.50 66.25 70.00
 75th 91.00 80.00 90.00 87.50 83.75 85.00
 N 7 6 13 7 6 13
HUI2c
 Mean 0.52 0.56 0.53 0.46 0.52 0.49
 SD 0.08 0.07 0.07 0.12 0.06 0.09
 Median 0.53 0.55 0.54 0.43 0.54 0.46
 25th 0.45 0.54 0.46 0.41 0.48 0.43
 75th 0.55 0.59 0.55 0.48 0.56 0.54
 N 7 6 13 7 6 13
HUI3d
 Mean 0.20 0.24 0.22 0.14 0.18 0.16
 SD 0.09 0.10 0.09 0.13 0.06 0.10
 Median 0.22 0.24 0.22 0.10 0.21 0.16
 25th 0.16 0.21 0.21 0.06 0.17 0.07
 75th 0.25 0.29 0.27 0.19 0.22 0.22
 N 7 6 13 7 6 13
  1. a −0.594 = minimum value, 1 = maximum value (0 = death; 1 = perfect health)
  2. b 0 = minimum value, 100 = maximum value (0 = worst possible health; 1 = best possible health)
  3. c −0.03 = minimum value, 1 = maximum value (0 = death; 1 = perfect health)
  4. d −0.36 = minimum value, 1 = maximum value (0 = death; 1 = perfect health)