Table 2.
Average scores (standard deviations) in the used scales after grouping the participants by sleep hygiene awareness, sleep quality and diurnal preference (please see text for details)
| Group | Sleep beliefs scale | Sleep condition indicator | Composite scale of morningness |
|---|---|---|---|
| Sleep hygiene awareness | |||
| Low (N = 139) | 2.9 (2.2) | 10.3* (7.2) | 34.9 (6.9) |
| Intermediate (N = 349) | 9.1 (1.9) | 12.1 (7.3) | 34.6 (7.4) |
| High (N = 158) | 14.8 (1.7) | 13.2 (8.0) | 35.1 (7.8) |
| Sleep quality | |||
| Poor (N = 140) | 10.9 (4.5) | 23.1 (3.3) | 33.2 (8.6) |
| Intermediate (N = 356) | 9.3 (4.3) | 11.5 (3.6) | 34.5 (6.9) |
| Good (N = 150) | 8.1* (4.6) | 2.9 (1.7) | 37.2* (6.6) |
| Diurnal preference | |||
| Evening (N = 65) | 9.6 (4.6) | 16.0* (7.5) | 21.1 (2.7) |
| Intermediate (N = 499) | 9.1 (4.4) | 11.7 (7.7) | 34.8 (4.9) |
| Morning (N = 82) | 9.4 (4.5) | 10.5 (7.7) | 45.9 (1.9) |
Significant differences are starred.