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Table 2 Score distribution of the Japanese version of the PedsQL Infant Scales

From: Reliability and validity of the Japanese version of the Pediatric Quality of Life Inventory Infant Scales

  N = 145
n Mean SD Min Max % Floor % Ceiling Cronbach’s α
Infants aged 1–12 months
Physical functioning 49 89.2 20.9 25 100 0.0 58.0 0.93
Physical symptoms 49 88.6 17.3 25 100 0.0 22.0 0.88
Emotional functioning 49 86.8 16.4 27.1 100 0.0 20.0 0.93
Social functioning 50 94.8 17.6 0 100 2.0 82.0 0.98
Cognitive functioning 48 95.8 11.6 50 100 0.0 80.0 0.92
Physical health summary 49 90.6 12.6 40 100 0.0 18.0 0.93
Psychosocial health summary 49 89.9 13.9 37.5 100 0.0 2.0 0.94
Total 49 88.8 18.1 29.7 100 0.0 2.0 0.95
Infants aged 13–24 months
Physical functioning 93 90.3 17.1 16.7 100 0.0 43.2 0.92
Physical symptoms 92 89.2 18.7 15 100 0.0 39.5 0.93
Emotional functioning 92 87.2 15.3 30 100 0.0 16.0 0.91
Social functioning 91 95.2 11.6 45 100 0.0 71.6 0.91
Cognitive functioning 90 95.2 9.1 63.9 100 0.0 63.0 0.85
Physical health summary 93 89.7 17.2 17.1 100 0.0 27.2 0.96
Psychosocial health summary 92 91.2 11.2 53.3 100 0.0 14.8 0.94
Total 92 90.6 12.9 41.7 100 0.0 11.1 0.97
  1. SD, standard deviation