Table 3.
Perceived impact of chronic insomnia by gender (mean ± SD)
| Factor | Men | Women | Statistical test | Effect size (Cohen’s d) |
|---|---|---|---|---|
| Daytime sleepiness | 7.4 ± 4.9 | 6.4 ± 4.6 | t(737) = 2.88, p = .004 | 0.21 |
| Daytime fatigue (0–100) | 45.9 ± 21.3 | 42.8 ± 21.1 | t(737) = 1.95, p = .05 | 0.14 |
| Depressive symptomatology |
14.4 ± 9.3 | 14.6 ± 9.0 | t(737) = 0.18, p = .85 | −0.02 |
| Physical functioning (0– 100) |
81.4 ± 21.6 | 82.9 ± 20.7 | t(737) = 0.90, p = .36 | 0.07 |
| Social functioning (0–100) | 75.6 ± 24.8 | 77.3 ± 23.8 | t(737) = 0.88, p = .37 | −0.07 |
SD = Standard deviation