Table 1.
Summary of descriptive data by age group and gender
| Young | Adult | Middle-aged | Total | |
|---|---|---|---|---|
| Age | 21.9 (SD = 1.8) | 32.9 (SD = 5.7) | 54.24 (SD = 5.6) | 29.2 (SD = 10.9) |
| Gender | ||||
| Women | 80.0% (N = 288) | 66.8% (N = 147) | 62.5% (N = 45) | 73.6% (N = 480) |
| Men | 20.0% (N = 72) | 33.2% (N = 73) | 37.5% (N = 27) | 26.4% (N = 172) |
| Sleep beliefs scale | 8.6* (4.5) | 9.7 (4.5) | 10.1 (3.6) | 9.2 (4.5) |
| Women | 9.3 (4.4) | 10.4 (4.4) | 10.5 (3.0) | 9.7 (4.3) |
| Men | 6.3 (4.3) | 8.4 (4.5) | 9.4 (4.4) | 7.7* (4.5) |
| Sleep condition indicator | 11.6 (7.1) | 12.8 (7.8) | 11.6 (8.4) | 12.0 (7.5) |
| Women | 12.3 (7.1) | 13.1 (8.3) | 12.4 (8.7) | 12.5 (7.6) |
| Men | 8.8 (6.1) | 12.3 (6.9) | 10.1 (7.8) | 10.4 (6.9) |
| Composite scale of morningness | 32.7* (6.6) | 36.3 (7.4) | 40.9 (6.3) | 34.8 (7.4) |
| Women | 32.5 (6.8) | 36.5 (7.1) | 41.0 (7.2) | 34.5 (7.4) |
| Men | 33.5 (5.9) | 36.1 (8.1) | 40.9 (4.5) | 35.7 (7.2) |
Significant differences are starred.