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Table 6 Reliability and separation index for PedsQL™ 4.0 Generic Core Scales: Child self-report and parent proxy-report (Total sample only)

From: Validation of the Korean version of the pediatric quality of life inventory™ 4.0 (PedsQL™) generic core scales in school children and adolescents using the rasch model

Scale and index

Child self-report

Parent proxy-report

 

Person

Item

Person

Item

Physical Health

    

   Reliability

.54

1.00

.49

.99

   Separation

1.09

15.71

.99

13.81

Emotional Functioning

    

   Reliability

.59

.99

.60

.99

   Separation

1.20

9.58

1.24

12.67

Social Functioning

    

   Reliability

.40

.95

.59

.97

   Separation

.82

4.44

1.20

5.56

School Functioning

    

   Reliability

.45

1.00

.44

1.00

   Separation

.91

19.55

.89

16.78