Table 1.
Baseline demographics and clinical characteristics of the study population.
| Variable | Overall Sample (n = 41) |
|---|---|
| Age; years | 45.3 ± 7.8 (29 to 62) |
| Gender; male | 23 (56.1) |
| BMI; (kg/m2) | 26.2 ± 1.4 (22.7 to 28.3) |
| PSQI (Pittsburgh Sleep Quality Index) | 8.2 ± 1.9 (5 to 13) |
| ISI (Insomnia Severity Index) | 12.7 ± 3.6 (6 to 21) |
| No clinically significant insomnia (0–7) | 3 (7.3) |
| Subthreshold insomnia (8–14) | 26 (63.4) |
| Moderate clinical insomnia (15–21) | 12 (29.3) |
| Dass-21 Depression score | 4.2 ± 2.4 (0 to 9) |
| Dass-21 Anxiety score | 6.9 ± 2.4 (2 to 11) |
| Dass-21 Stress score | 11.6 ± 3.4 (4 to 20) |
| Dass-21 Total score | 22.7 ± 5.9 (14 to 37) |
| HpN | 3 [2; 3] (0 to 6) |
Variables are described as mean ± standard deviation (min to max), median [1st; 3rd quartile] (min to max) and absolute frequencies, with percentages.