Table 2 Mean (Standard deviation (SD)) item scores for single items on FSS-9 at baseline and follow-up
Baseline (N = 654) | Follow-up (N = 225) | |
|---|---|---|
FSS-9 | ||
I1: My motivation is lower when I am fatigued | 5.4 (2.0) | 5.6 (2.0) |
I2: Exercise brings on my fatigue | 4.7 (2.1) | 5.0 (2.0) |
I3: I am easily fatigued | 4.5 (2.1) | 4.8 (2.1) |
I4: Fatigue interferes with my physical functioning | 4.9 (2.1) | 5.1 (2.0) |
I5: Fatigue causes frequent problems for me | 4.4 (2.2) | 4.5 (2.2) |
I6: My fatigue prevents sustained physical functioning | 4.6 (2.2) | 4.4 (2.2) |
I7: Fatigue interferes with carrying out certain duties and responsibilities | 5.0 (2.1) | 5.0 (2.1) |
I8: Fatigue is among my three most disabling symptoms | 4.6 (2.3) | 4.8 (2.3) |
I9: Fatigue interferes with my work, family, or social life | 4.9 (2.2) | 4.6 (2.3) |
Mean score of all items | 4.8 (1.8) | 4.9 (1.7) |
Sum score of all items | 43.2 (15.9) | 43.8 (15.2) |