Table 2.
Sleep characteristics of the subjects
| All | Men | Women | P value | |
|---|---|---|---|---|
| n | 126 | 30 | 96 | |
| Actigraphy sleep duration (min/night) | 360 ± 50 | 341 ± 55 | 366 ± 47 | 0.021 |
| Actigraphy sleep efficiency (%) | 79.5 ± 7.5 | 78.0 ± 7.9 | 80.1 ± 7.3 | 0.190 |
| Subjective sleep duration (min/night) | 386 ± 48 | 372 ± 45 | 390 ± 49 | 0.131 |
| Question C4 of PSQI (hours/24 h) | 5.6 ± 0.9 | 5.8 ± 1.0 | 5.5 ± 0.9 | 0.153 |
| PSQI global score (optimal; 0–5) | 8.2 ± 2.9 | 8.0 ± 3.2 | 8.2 ± 2.8 | 0.210 |
| ESS (optimal; 0–10) | 8.2 ± 4.5 | 8.9 ± 4.6 | 8.0 ± 4.5 | 0.362 |
| RDI score (no. of events/h) | 12.6 ± 15.6 | 20.9 ± 24.0 | 9.5 ± 11.1 | 0.099a |
| Normal | 42 (42.9) | 5 (22.7) | 37 (48.7) | |
| Mild | 35 (35.7) | 9 (40.9) | 25 (34.1) | |
| Moderate | 12 (12.2) | 4 (18.2) | 8 (10.5) | |
| Severe | 9 (9.2) | 4 (18.2) | 5 (6.6) |
Data are expressed as number (percentage) or mean ± sd.
a
Wilcoxon rank-sum test.