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Table 8 Category measures and fit 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 category label

Child self-report

Parent proxy-report

 

Average Measure

Infit MNSQ

Outfit MNSQ

Step measure

Average measure

Infit MNSQ

Outfit MNSQ

Step measure

Physical Health

        

   0

-29.26

1.01

1.01

None

-32.57

1.02

1.02

None

   1

-16.10

.97

.69

-12.66

-18.64

.90

.63

-14.97

   2

-9.31

1.04

1.02

-8.91

-10.51

1.04

.97

-11.26

   3

-1.81

1.10

1.21

7.61

-3.90

1.33

1.60

9.84

   4

1.99

1.53

1.59

13.97

-.10

1.76

2.13

16.29

Emotional Functioning

        

   0

-23.63

1.02

1.02

None

-32.14

.98

.99

None

   1

-14.99

.92

.90

-15.95

-20.52

.98

.99

-24.84

   2

-7.05

.97

.96

-8.62

-9.41

.95

.96

-12.54

   3

1.52

.92

.98

8.25

1.94

1.04

1.07

13.31

   4

6.37

1.33

1.34

16.32

2.91

1.93

2.01

24.07

Social Functioning

        

   0

-29.17

1.02

.99

None

-43.57

.98

.92

None

   1

-19.01

.90

.93

-21.40

-25.79

.86

.91

-35.72

   2

-9.12

1.02

1.03

-1.46

-9.49

1.10

1.14

-.13

   3

-1.28

1.03

1.06

12.34

7.99

.93

1.03

21.80

   4

2.73

1.30

1.54

10.52

9.87

1.94

3.23

14.05

School Functioning

        

   0

-36.90

1.03

1.02

None

-39.70

.99

.99

None

   1

-20.95

.94

.91

-23.84

-23.79

.91

.85

-27.76

   2

-9.14

1.01

1.03

-8.79

-11.59

1.05

1.15

-10.98

   3

1.84

.97

.98

13.00

-1.87

1.14

1.16

13.86

   4

8.93

1.38

1.43

19.63

3.83

1.40

1.45

24.89

  1. Infit = Information-weighted fit statistic. Outfit = Outlier-sensitive fit statistic. MNSQ = Mean-square statistic with expectation 1. 0 = never a problem. 1 = almost never a problem. 2 = sometimes a problem. 3 = often a problem. 4 = almost always a problem.