From: Further validation of the Multidimensional Fatigue Inventory in a US adult population sample
Five Factors | |||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
General Fatigue | |||||
I feel fit | .83 | ||||
I feel tired | .71 | ||||
I feel rested | .52 | ||||
I tired easily | .61 | ||||
Physical Fatigue | |||||
Physically I feel I am in an excellent condition | .81 | ||||
Physically I feel I am in a bad condition | .67 | ||||
Physically I can take on a lot | .56 | ||||
Physically I feel only able to do a little | .54 | ||||
Reduced Activity (Vigor) | |||||
I think I do very little in a day | .84 | ||||
I think I do a lot in a day | .78 | ||||
I get little done | .72 | ||||
I feel very active | .68 | ||||
Reduced Motivation | |||||
I have a lot of plans | .89 | ||||
I feel like doing all sorts of nice things | .53 | ||||
I dread having to do things | .64 | ||||
I don't feel like doing anything | .58 | ||||
Mental Fatigue (Cognition) | |||||
When I am doing something, I can keep my thoughts on it | .81 | ||||
I can concentrate well | .81 | ||||
My thoughts easily wander | .75 | ||||
It takes a lot of effort to concentrate on things | .71 | ||||
Total % of Variance Explained | 20.10 | 15.18 | 14.10 | 13.40 | 6.87 |