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Table 2 Model Fit Statistics for the five mini-MAC subscales

From: Rasch analysis of the Mini-Mental Adjustment to Cancer Scale (mini-MAC) among a heterogeneous sample of long-term cancer survivors: A cross-sectional study

Action

Analysis

# of items in the subscale

Chi-square

Items Fit Residual Mean (SD)

Persons Fit Residual Mean (SD)

PSI

Unidimensional t-test

Value

p

Anxious Preoccupation (n= 693)

    

 Original

1

8

191.70

< .001

.22 (2.61)

-.38 (1.20)

.80

5.57

 Item 25 removed

2

7

147.87

< .001

-.006 (1.92)

-.39 (1.13)

.78

-

 Item 7 removed

3

7

183.81

< .001

.07 (2.49)

-.38 (1.14)

.79

-

 Items 7 and 25 removed*

4

6

137.78

< .001

-.15 (1.53)

-.39 (1.04)

.77

3.71

 Items 7, 25, and 29 removed*

5

5

104.66

< .001

-.19 (1.36)

−39 (.99)

.71

3.47

Cognitive Avoidance (n= 689)

 

 Original

6

4

93.46

< .001

1.10 (1.85)

-.58 (1.34)

.70

3.38

 Item 11 removed

7

3

75.91

< .001

1.20 (1.83)

-.49 ( − 1.02)

.66

-

 Items 11 and 17 removed*

8

2

35.20

< .001

.30 (.32)

-.58 (.77)

.66

-

Fighting Spirit (n=723)

      

 Original

9

4

168.39

< .001

.31 (2.11)

-.45 (1.28)

.61

.72

 Rescoring all items

10

4

121.66

< .001

.90 (2.51)

-.22 (.89)

.52

-

 Rescoring all items and item 18 removed

11

3

80.43

< .001

1.23 (.94)

-.17 (.71)

.42

-

Fatalism (n=749)

       

 Original

12

5

106.89

< .001

.96 (.67)

-.28 (1.06)

.61

2.22

 Rescoring all items

13

5

88.44

< .001

1.15 (.56)

-.18 (.98)

.57

.62

Helplessness-Hopelessness (n= 437)

      

 Original

14

8

202.20

< .001

-.21 (2.95)

-.54 (1.33)

.57

1.47

 Rescoring all items

15

8

169.04

< .001

-.44 (2.93)

-.50 (1.35)

.59

-

 Rescoring all items and item 12 removed

16

7

153.30

< .001

-.44 (2.82)

-.47 (1.22)

.56

-

Rescoring all items and items 12 and 14 removed*

17

6

79.59

< .001

-.55 (2.27)

-.66 (1.63)

.43

-

 Rescoring all items and items 12, 14, and 20 removed*

18

5

45.00

< .001

-.05 (1.40)

-.59 (1.49)

.35

-

 Rescoring all items and item 20 removed

19

7

136.82

< .001

-.11 (2.23)

-.46 (1.28)

.54

-

 Rescoring all items and items 20 and 16 removed*

20

6

94.66

< .001

.14 (1.52)

-.45 (1.28)

.49

.74

  1. * Items listed in the order they were deleted. Anxious preoccupation items – 5,7,9,13,22,25,28,29; Cognitive avoidance – 11,17,26,27; Fighting spirit – 2,10,18,23; Fatalism – 1,3,8,19,24; Helplessness-hopelessness – 4,6,12,14,15,16,20,21.