Item | Corrected item-total correlation | Cronbachās š¼ 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, Cronbachās alphaā=ā0.92 | |||
Cognitive subscale (1,2, 3, 5, 11, 12, 15, 16, 18, 19), Cronbachās alphaā=ā0.85 | |||
Physical and psychosocial subscale (4, 6, 7, 8, 9, 10, 13, 14, 17, 20, 21), Cronbachās alphaā=ā0.89 |