Table 1.
Characteristics of participants (mean ± standard deviation).
| Control (n = 32) | Insomnia disorder (n = 32) | p | |
|---|---|---|---|
| Age, y | 46.8 ± 15.0 | 48.5 ± 14.1 | 0.64 |
| Sex, female/male | 26/6 | 25/7 | 1 |
| ISI | 2.00 ± 1.97 | 17.19 ± 3.75 | <0.0001 |
| BAI | 2.00 ± 2.33 | 6.42 ± 4.93 | 0.06 |
| BDI-IA | 2.00 ± 1.85 | 4.75 ± 3.84 | 0.11 |
| HADS—Anxiety | 4.33 ± 2.10 | 5.75 ± 2.38 | 0.06 |
| HADS—Depression | 1.88 ± 1.65 | 3.60 ± 3.30 | 0.09 |
ISI, Insomnia Severity Index; BAI, Beck Anxiety Inventory; BDI-IA, Beck Depression Inventory IA; HADS, Hospital Anxiety and Depression Scale.
p-values are determined by Fisher exact test for sex and by Wilcoxon rank-sum tests for the other variables.