Table 2.
Acceptability data of the PDSS‐2
| Item | Mean | SD | Median | Floor Effecta | Ceiling Effecta | Skewness |
|---|---|---|---|---|---|---|
| 1. Sleep during the last week | 1.32 | 1.17 | 1 | 29.07 | 6.27 | 0.67 |
| 2. Difficulties falling asleep | 0.97 | 1.13 | 1 | 45.36 | 4.76 | 1.08 |
| 3. Difficulties staying asleep | 1.22 | 1.27 | 1 | 38.10 | 8.52 | 0.81 |
| 4. Restlessness of legs or arms at night | 0.81 | 1.09 | 0 | 54.64 | 3.76 | 1.31 |
| 5. Urge to move your legs or arms | 0.76 | 1.03 | 0 | 54.89 | 2.26 | 1.33 |
| 6. Distressing dreams at night | 0.90 | 1.11 | 0 | 50.88 | 3.51 | 1.07 |
| 7. Distressing hallucinations at night | 0.65 | 1.14 | 0 | 68.50 | 5.25 | 1.76 |
| 8. Get up at night to pass urine | 1.92 | 1.36 | 2 | 18.30 | 18.55 | 0.14 |
| 9. Uncomfortable because of immobility | 1.35 | 1.34 | 1 | 38.35 | 10.03 | 0.60 |
| 10. Pain in arms or legs | 0.93 | 1.08 | 1 | 48.62 | 2.76 | 0.91 |
| 11. Muscle cramps in your arms or legs | 0.84 | 1.07 | 0 | 51.88 | 2.76 | 1.15 |
| 12. Painful posturing in the morning | 0.71 | 1.06 | 0 | 60.90 | 2.01 | 1.36 |
| 13. Tremor on waking | 0.72 | 1.07 | 0 | 59.90 | 3.26 | 1.50 |
| 14. Tired/sleepy in the morning | 1.28 | 1.23 | 1 | 34.42 | 6.78 | 0.67 |
| 15. Snoring or difficulties in breathing | 0.76 | 1.14 | 0 | 61.90 | 2.01 | 1.28 |
| PDSS‐2 Total Score | 15.02 | 9.84 | 13 | 0.26 | 0.26 | 1.01 |
Expressed in percentage (%).