Variables | Category | Frequency (n) | Percent (%) |
---|---|---|---|
Subjective sleep quality | Very good (0) | 180 | 43.4% |
Fairly good (1) | 137 | 33.0% | |
Fairly bad (2) | 82 | 19.8% | |
Very bad (3) | 16 | 3.8% | |
Sleep latency | 0–15 min (0) | 60 | 14.5% |
16–30 min (1) | 108 | 26.0% | |
31–60 min (2) | 177 | 42.7% | |
> 60 min (3) | 70 | 16.8% | |
Sleep duration | > 7 h | 286 | 68.9 |
6–7 h | 64 | 15.4 | |
5–6 h | 43 | 10.4 | |
< 5 h | 22 | 5.3 | |
Habitual sleep efficiency | ≥85% | 377 | 90.8 |
75–84% | 35 | 8.5 | |
65–74% | 3 | 0.7 | |
< 65% | 0 | 0% | |
Sleep disturbances | Never (0) | 63 | 15.2% |
1 time a week (1) | 306 | 73.7% | |
1–2 times a week (2) | 41 | 9.9% | |
≥3 times a week (3) | 5 | 1.2% | |
Use of sleeping medications | Never | 389 | 93.7% |
Less than Once a week | 15 | 3.6% | |
Once or twice a week | 9 | 2.2% | |
Three or more times a week | 2 | 0.5% | |
Daytime dysfunction over the last month | No problem (0) | 333 | 80.2% |
1–2 times a week (1) | 62 | 14.9% | |
3 times a week (2) | 15 | 3.6% | |
> 3 times a week (3) | 5 | 1.3% | |
Overall sleep quality | Good sleep quality | 287 | 69.2% |
Poor sleep quality | 128 | 30.8% |