Table 3.
Spearman’s rank correlations between each studied variable.
| Sleep Disturbances | Functional Status | ||
|---|---|---|---|
| AIS | ESS | EDSS | |
| r *, p | r *, p | r *, p | |
| ADL | r = −0.378, p < 0.001 | r = −0.220, p = 0.219 | r = −0.727, p < 0.001 |
| PWB | r = −0.481, p < 0.001 | r = −0.335, p = 0.057 | r = −0.101, p = 0.215 |
| RFr | r = 0.392, p < 0.001 | r = 0.113, p = 0.532 | r = 0.197, p = 0.016 |
| SPT | r = −0.505, p < 0.001 | r = −0.332, p = 0.059 | r = −0.163, p = 0.044 |
| RFa | r = 0.345, p < 0.001 | r = −0.061, p = 0.735 | r = 0.127, p = 0.123 |
| RHSC | r = 0.271, p < 0.001 | r = 0.278, p = 0.117 | r = 0.099, p = 0.226 |
| SSL | r = 0.222, p = 0.008 | r = −0.144, p = 0.439 | r = 0.112, p = 0.182 |
| COP | r = −0.366, p < 0.001 | r = −0.107, p = 0.552 | r = −0.071, p = 0.386 |
| REJ | r = −0.296, p < 0.001 | r = −0.108, p = 0.549 | r = −0.425, p < 0.001 |
| MusiQoL total score | r = −0.194, p = 0.016 | r = −0.287, p = 0.105 | r = −0. 208, p = 0. 010 |
Notes: * Spearman’s correlation coefficient; in bold—statistically significant correlation (p < 0.05). Abbreviations: ADL, activities of daily living; PWB, psychological well–being; RFr, relationships with friends; SPT, symptoms; RFa, family relationships; RHCS, satisfaction with the healthcare system; SSL, sentimental and sexual life; COP, coping with the disease; REJ, rejection; EDSS, Expanded Disability Status Scale; AIS, Athens Insomnia Scale; ESS, Epworth Sleepiness Scale.