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Table 3 Reliability of the Japanese version of the PedsQL™ Brain Tumor Module

From: Development of the Japanese version of the Pediatric Quality of Life Inventory™ Brain Tumor Module

  Cronbach's coefficient alpha Retest reliability (n = 28)
   Age group      
  Total (n = 166) Toddler (n = 26) Young child (n = 31) Child (n = 56) Adolescent (n = 53) Change SD 95% CI ICC
Child-report           
   Cognitive Problems 0.83 - 0.73 0.80 0.85 -1.3 15.1 -7.8 5.3 0.67
   Pain and Hurt 0.50 - 0.48 0.35 0.57 -1.5 17.3 -9.0 6.0 0.45
   Movement and Balance 0.78 - 0.78 0.79 0.75 0.0 14.6 -6.3 6.3 0.77
   Procedural Anxiety 0.82 - 0.75 0.85 0.85 1.4 29.3 -11.2 14.1 0.67
   Nausea 0.84 - 0.62 0.82 0.93 2.8 18.6 -5.3 10.8 0.74
   Worry 0.75 - 0.84 0.60 0.76 -4.3 19.8 -12.9 4.2 0.70
Parent-report           
   Cognitive Problems 0.92 - 0.89 0.90 0.93 1.3 13.6 -4.7 7.3 0.76
   Pain and Hurt 0.80 0.92 0.77 0.81 0.74 -2.9 13.3 -8.3 2.5 0.82
   Movement and Balance 0.91 0.84 0.89 0.89 0.93 1.6 11.3 -3.0 6.2 0.92
   Procedural Anxiety 0.96 0.98 0.94 0.95 0.96 -3.7 21.1 -12.4 5.1 0.82
   Nausea 0.93 0.86 0.87 0.93 0.94 -1.0 8.2 -4.3 2.4 0.95
   Worry 0.86 0.86 0.93 0.69 0.88 -0.3 16.2 -6.9 6.2 0.74
  1. CI, confidence interval; ICC, intraclass correlation coefficient