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Table 3 Pattern matrix of four factor solution from PCA with Oblimin rotation.

From: Development of a patient reported outcome scale for fatigue in multiple sclerosis: The Neurological Fatigue Index (NFI-MS)

 

Component

Item

1:Physical

2: Cognitive

3: Diurnal sleep/rest

4: Abnormal sleep

19

.783

   

01

.739

   

09

.736

   

51

.736

   

22

.733

   

03

.732

   

10

.730

   

11

.718

   

20

.706

   

18

.702

   

27

.697

   

12

.686

   

21

.658

   

02

.610

   

28

.541

  

-.336

26

.529

   

29

 

-.842

  

30

 

-.828

  

17

 

-.783

  

14

 

-.739

  

16

 

-.716

  

13

.389

-.606

  

15

 

-.587

  

35

 

-.452

  

39

  

.780

 

40

  

.769

 

42

  

.705

 

43

  

.632

 

41

  

.625

 

07

  

.549

 

05

.397

 

.538

 

44

   

.757

47

   

.680

45

   

.635

46

   

.573

49

   

.537

36

   

.477

06

.305

  

.417

23

   

.398

  1. For ease of interpretation only loadings above .3 are displayed.
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