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Table 6 Summary of category structure statistics

From: Rasch analysis of the Chinese version of the clinically useful depression outcome scale in patients with major depressive disorder

Cat. Label

Infit MnSq

Outfit MnSq

Threshold

Average Measures

0

1.07

1.09

NONE

(−2,17)

1

0.86

0.91

−0.73

−0.81

2

0.89

1.16

−0.28

0.01

3

0.91

1.06

0.33

0.82

4

1.11

1.33

0.67

(2.14)

  1. Note: Cat, category; Infit MnSq, information-weighted mean-square fit statistic; Outfit MnSq, outlier-sensitive mean-square fit statistics; DIF, Differential Item Functioning