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Demographic and clinical characteristics.
| Variable | Mean | SD |
|---|---|---|
| Age (years) | 36.15 | 14.01 |
| Sex (% female) | 81 | - |
| SCI | 10.95 | 3.07 |
| DBAS | 4.86 | 1.29 |
| DASS—Depression | 7.80 | 7.15 |
| DASS—Anxiety | 5.98 | 5.22 |
| DASS—Stress | 13.73 | 7.05 |
SD = standard deviation, SCI = Sleep Condition Indicator, DBAS = The Dysfunctional Beliefs and Attitudes about Sleep Scale, DASS = Depression, Anxiety and Stress Scale
