Table 3.
Association between psychological disorders and sleep quality (mean global PSQI score).
| Psychological disorder | Number (%) | Mean Global PSQI score (SD) | p-value |
|---|---|---|---|
| Depression a | |||
| Normal | 295 (53.3%) | 5.52 (2.30) | <0.0001 |
| Mild | 98 (17. 7%) | 6.53 (2.21) | |
| Moderate | 101 (18.3%) | 7.40 (2.62) | |
| Severe to extremely se-vere | 38 (6.9%) | 9.32 (3.87) | |
| Missing data | 21 (3.8%) | ||
| Anxiety b | |||
| Normal | 319 (57.7%) | 5.67 (2.37) | <0.0001 |
| Mild | 62 (11.2%) | 6.39 (2.39) | |
| Moderate | 101 (18.3%) | 6.98 (2.70) | |
| Severe to extremely se-vere | 59 (10.7%) | 8.61 (3.18) | |
| Missing data | 12 (2.2%) | ||
| Stress c | |||
| Normal | 381 (68.9%) | 5.22 (2.84) | <0.0001 |
| Mild | 72 (13%) | 5.82 (2.35) | |
| Moderate | 53 (9.6%) | 7.10 (2.48) | |
| Severe to extremely se-vere | 24 (4.3%) | 7.85 (2.47) | |
| Missing data | 23 (4.2%) |
PSQI=Pittsburgh Sleep Quality Index
SD=Standard Deviation
a
Post- hoc test showed that the difference is significant in all levels (p-value<0.05) except mild vs. moderate, moderate vs. severe and severe vs. extremely severe levels.
b
Post- hoc test showed that the difference is significant in all levels (p-value<0.05) except normal vs. mild, mild vs. moderate, moderate vs. severe and severe vs. extremely severe levels.
c
Post- hoc test showed that the difference is significant in all levels (p-value<0.05) except mild vs. moderate and moderate vs. severe levels.