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Table 4 Internal consistency of MFIS-C (stroke participants, nā€‰=ā€‰101)

From: Translation and initial validation of Chinese (Cantonese) version of Modified Fatigue Impact Scale (MFIS-C) in people with stroke

Item

 

Corrected item-total correlation

Cronbachā€™s š›¼ if item deleted

Cognitive subscale

1

I have been less alert

0.60

0.83

2

I have had difficulty paying attention for long periods of time.

0.55

0.84

3

I have been unable to think clearly.

0.63

0.83

5

I have been forgetful.

0.55

0.84

11

I have had difficulty making decisions.

0.55

0.84

12

I have been less motivated to do anything that requires thinking

0.51

0.84

15

I have had trouble finishing tasks that require thinking.

0.57

0.84

16

I have had difficulty organizing my thoughts when doing things at home or at work.

0.56

0.84

18

My thinking has been slowed down.

0.46

0.85

19

I have had trouble concentrating.

0.56

0.84

Physical/social subscale

4

I have been clumsy and uncoordinated.

0.50

0.89

6

I have had to pace myself in my physical activities.

0.65

0.88

7

I have been less motivated to do anything that requires physical effort.

0.58

0.88

8

I have been less motivated to participate in social activities.

0.66

0.88

9

I have been limited in my ability to do things away from home.

0.71

0.88

10

I have had trouble maintaining physical effort for long periods.

0.64

0.88

13

My muscles have felt weak.

0.65

0.88

14

I have been physically uncomfortable.

0.57

0.89

17

I have been less able to complete tasks that require physical effort.

0.62

0.88

20

I have limited my physical activities.

0.63

0.88

21

I have needed to rest more often or for longer periods.

0.60

0.88

Overall MFIS, Cronbachā€™s alphaā€‰=ā€‰0.92

Cognitive subscale (1,2, 3, 5, 11, 12, 15, 16, 18, 19), Cronbachā€™s alphaā€‰=ā€‰0.85

Physical and psychosocial subscale (4, 6, 7, 8, 9, 10, 13, 14, 17, 20, 21), Cronbachā€™s alphaā€‰=ā€‰0.89