Table 3.
Demographic, health, and sleep characteristics of study 2 samplesa
| Psychophysiologic insomnia (n = 31) | Idiopathic insomnia (n = 30) | |
|---|---|---|
| Demographic | ||
| Sex [n (%)] | ||
| Female | 24 (77.4) | 24 (80) |
| Male | 7 (22.6) | 6 (20) |
| Age (yr) | 38.52 (14.5) | 34.63 (15.7) |
| Education [n (%)] | ||
| Secondary completed | 14 (45.2) | 10 (33.3) |
| Tertiary completed | 17 (54.8) | 20 (66.7) |
| Relationship status [n (%)] | ||
| With partner | 13 (41.9) | 14 (46.7) |
| Living alone | 18 (58.1) | 16 (53.3) |
| Health | ||
| Alcohol (units/wk) | 6.67 (5.85) | 6.8 (6.66) |
| BDI II | 12.39 (6.67) | 10.41 (5.88) |
| BAI | 7.74 (3.98) | 8.35 (5.8) |
| SF-36 | ||
| Physical | 76.37 (15.34) | 82.73 (12.51) |
| Mental | 63.18 (18.37) | 66.37 (17.92) |
| Sleep | ||
| PSQI | 10.25 (3.76) | 10.90 (3.38) |
| ISI | 14.74 (5.29) | 16.23 (4.7) |
| DBAS-16 | 76.28 (25.76) | 74.73 (29.34) |
a
All data represent mean (SD), unless otherwise stated. BAI, Beck Anxiety Inventory; BDI, Beck Depression Inventory; DBAS-16, Dysfunctional Beliefs and Attitudes About Sleep Scale; ISI, Insomnia Severity Index; PSQI, Pittsburgh Sleep Quality Index; SF-36, Short Form-36.