From: Nocturnal sleep, daytime sleepiness, and quality of life in stable patients on hemodialysis
Scale | Study Sample (n = 46) | Ferrans &Powers Study (n = 349)* | ||||
---|---|---|---|---|---|---|
 | Mean (SD) | Range | Internal Consistency** | Mean (SD) | Range | Internal consistency |
Health & Functioning Subscale *** | 21.1 (4.7) | 10.29–29.54 | 0.80 | 18.64 (5.7) | 2.8–30.0 | 0.87 |
Social & Economic Subscale | 22.0 (4.8) | 10.71–30.0 | 0.94 | 21.29 (5.4) | 3.2–30.0 | 0.82 |
Psychological & Spiritual Subscale *** | 24.5 (4.4) | 15.07–30.0 | 0.81 | 21.60 (6.7) | 0.9–30.0 | 0.90 |
Family Subscale | 26.8 (3.5) | 18.0–30.0 | 0.91 | 25.25 (5.1) | 0.0–30.0 | 0.77 |
Total QOLI Score *** | 22.8 (4.0) | 14.53–29.67 | 0.91 | 20.7 (4.8) | 7.3–29.8 | 0.90 |