Table 1.
Subscales and items within the MFI-20
| MFI-20 Subscales | Item nr | Item |
|---|---|---|
| General fatigue | 1 | I feel fit |
| 5 | I feel tired | |
| 12 | I am rested | |
| 16 | I tire easily | |
| Physical fatigue | 2 | Physically I feel only able to do a little |
| 8 | Physically I can take on a lot | |
| 14 | Physically I feel I am in a bad condition | |
| 20 | Physically I feel I am in an excellent condition | |
| Mental fatigue | 7 | When I am doing something, I can keep my thought on it |
| 11 | I can concentrate well | |
| 13 | It takes a lot of effort to concentrate on things | |
| 19 | My thoughts easily wander | |
| Reduced activity | 3 | I feel very active |
| 6 | I think I do a lot in a day | |
| 10 | I think I do very little in a day | |
| 17 | I get little done | |
| Reduced motivation | 4 | I feel like doing all sorts of nice things |
| 9 | I dread having to do things | |
| 15 | I have a lot of plans | |
| 18 | I don’t feel like doing anything |