Domain/Scale
|
Item
|
Content (Listed in English)
|
Total MFSI-SF score of English and Chinese versions (N = 246)
|
English version of MFSI-SF (n = 160)
|
Chinese version of MFSI-SF (n = 86)
|
---|
Corrected item-to-domain correlationa
|
Cronbach’s α
|
Corrected item-to-domain correlation
|
Cronbach’s α
|
Corrected item-to-domain correlation
|
Cronbach’s α
|
---|
General (6 items)
| | | |
0.914
| |
0.917
| |
0.904
|
|
10
|
I feel pooped
|
0.611
| |
0.530
| |
0.765
| |
12
|
I feel worn out
|
0.726
| |
0.694
| |
0.778
| |
14
|
I feel fatigued
|
0.758
| |
0.769
| |
0.715
| |
17
|
I feel sluggish
|
0.624
| |
0.686
| |
0.474
| |
18
|
I feel run down
|
0.732
| |
0.761
| |
0.747
| |
28
|
I feel tired
|
0.773
| |
0.751
| |
0.783
| |
Physical (6 items)
| | | |
0.863
| |
0.889
| |
0.749
|
|
2
|
My muscles ache
|
0.614
| |
0.685
| |
0.463
| |
4
|
My legs feel weak
|
0.616
| |
0.676
| |
0.479
| |
6
|
My head feels heavy
|
0.477
| |
0.491
| |
0.450
| |
16
|
My arms feel weak
|
0.568
| |
0.608
| |
0.503
| |
19
|
I ache all over
|
0.632
| |
0.702
| |
0.476
| |
26
|
My body feels heavy all over
|
0.629
| |
0.686
| |
0.502
| |
Emotional (6 items)
| | | |
0.912
| |
0.921
| |
0.887
|
|
3
|
I feel upset
|
0.746
| |
0.737
| |
0.764
| |
8
|
I feel nervous
|
0.676
| |
0.699
| |
0.632
| |
13
|
I feel sad
|
0.789
| |
0.789
| |
0.787
| |
21
|
I feel depressed
|
0.723
| |
0.720
| |
0.727
| |
23
|
I feel tense
|
0.685
| |
0.732
| |
0.600
| |
30
|
I am distressed
|
0.678
| |
0.655
| |
0.730
| |
Mental (6 items)
| | | |
0.921
| |
0.928
| |
0.889
|
|
1
|
I have trouble remembering things
|
0.748
| |
0.784
| |
0.674
| |
11
|
I am confused
|
0.615
| |
0.622
| |
0.603
| |
15
|
I have trouble paying attention
|
0.729
| |
0.780
| |
0.635
| |
20
|
I am unable to concentrate
|
0.716
| |
0.740
| |
0.671
| |
25
|
I make more mistakes than usual
|
0.679
| |
0.671
| |
0.701
| |
27
|
I am forgetful
|
0.781
| |
0.798
| |
0.756
| |
Vigour (6 items)
| | | |
0.936
| |
0.944
| |
0.917
|
|
5
|
I feel cheerful
|
0.833
| |
0.827
| |
0.844
| |
7
|
I feel lively
|
0.820
| |
0.868
| |
0.719
| |
9
|
I feel relaxed
|
0.790
| |
0.839
| |
0.690
| |
22
|
I feel refreshed
|
0.833
| |
0.829
| |
0.843
| |
24
|
I feel energetic
|
0.853
| |
0.853
| |
0.862
| |
29
|
I feel calm
|
0.803
| |
0.833
| |
0.749
| |
- All correlations were significant at the 0.01 level (two tailed)
- All Cronbach’s alpha coefficient was above the satisfactory level of 0.7
- All items had satisfactory item-to-domain correlation (defined by a corrected r > 0.300)
- MFSI-SF Multidimensional Fatigue Symptom Inventory - Short Form
- aThe corrected item-to-domain correlation was calculated for each item by removing the contribution of the item’s score to its corresponding subscale score