Table 3.
Acceptability data of the Parkinson’s Fatigue Scale
| Item | Min | Max | Mean | SD | Median | Floor | Ceiling | Skewness |
|---|---|---|---|---|---|---|---|---|
| 1. I have to rest during the day | 1 | 5 | 4.02 | 1.08 | 4.00 | 3.4% | 40.7% | −1.07 |
| 2. My life is restricted by fatigue | 1 | 5 | 3.64 | 1.26 | 4.00 | 8.5% | 27.1% | −0.80 |
| 3. I get tired more quickly | 2 | 5 | 4.25 | 0.82 | 4.00 | 0.0% | 44.1% | −1.09 |
| 4. One of my three worst symptoms | 1 | 5 | 3.63 | 1.16 | 4.00 | 5.1% | 25.4% | −0.60 |
| 5. I feel completely exhausted | 1 | 5 | 3.16 | 1.11 | 3.00 | 5.2% | 10.3% | −0.08 |
| 6. Makes me reluctant to socialize | 1 | 5 | 3.34 | 1.31 | 4.00 | 12.1% | 19.0% | −0.48 |
| 7. It takes me longer to do things | 1 | 5 | 3.80 | 1.18 | 4.00 | 8.6% | 27.6% | −1.17 |
| 8. I have a feeling of heaviness | 1 | 5 | 3.74 | 1.09 | 4.00 | 5.2% | 24.1% | −0.91 |
| 9. If I wasn’t tired, I could do more | 1 | 5 | 4.24 | 0.94 | 4.00 | 1.7% | 45.8% | −1.55 |
| 10. Everything I do is an effort | 1 | 5 | 3.76 | 0.99 | 4.00 | 3.4% | 22.0% | −0.83 |
| 11. I feel tired for much of the time | 1 | 5 | 3.92 | 1.02 | 4.00 | 1.7% | 30.5% | −0.93 |
| 12. I feel totally drained | 1 | 5 | 2.90 | 1.28 | 3.00 | 16.9% | 10.2% | −0.01 |
| 13. Difficult coping w/daily activities | 1 | 5 | 3.71 | 0.99 | 4.00 | 3.4% | 17.2% | −0.94 |
| 14. Tired but I haven’t done anything | 1 | 5 | 3.55 | 1.11 | 4.00 | 6.9% | 15.5% | −0.85 |
| 15. I do less than I would like | 1 | 5 | 4.00 | 0.99 | 4.00 | 1.7% | 36.2% | −0.90 |
| 16. Want to lay down wherever I am | 1 | 5 | 3.12 | 1.24 | 3.00 | 10.3% | 15.5% | −0.07 |
| Total score | 18 | 78 | 58.71 | 12.43 | 61.00 | 1.7% | 1.7% | −0.84 |
Abbreviations: Max, maximum; Min, minimum; SD, standard deviation.