Table 2 Distribution of quality of sleep
Variable items | Number | Percent |
|---|---|---|
Sleep duration (h) | ||
0: ≥7 | 197 | 69.6 |
1: 6 ~ 6.9 | 66 | 23.3 |
2: 5 ~ 5.9 | 15 | 5.3 |
3: ≤4.9 | 5 | 1.8 |
Sleep disturbance (scores) | ||
0: 0 | 19 | 6.7 |
1: 1 ~ 9 | 246 | 86.9 |
2: 10 ~ 18 | 17 | 6.0 |
3: 19 ~ 27 | 1 | 0.4 |
Sleep latency (min) | ||
0: ≤15 | 142 | 50.2 |
1: 16 ~ 30 | 65 | 23.0 |
2: 31 ~ 60 | 46 | 16.3 |
3: ≥60 | 30 | 10.6 |
Daytime dysfunction | ||
0: Very good | 213 | 75.3 |
1: Fairly good | 49 | 17.3 |
2: Fairly bad | 19 | 6.7 |
3: Very bad | 2 | 0.7 |
Sleep efficiency (%) | ||
0: ≥85 | 248 | 87.6 |
1: 75 ~ 84 | 23 | 8.1 |
2: 65 ~ 74 | 7 | 2.5 |
3: ≤64 | 5 | 1.8 |
Subjective sleep quality | ||
0: Very good | 32 | 11.3 |
1: Fairly good | 162 | 57.2 |
2: Fairly bad | 63 | 22.3 |
3: Very bad | 26 | 9.2 |
Use of sleep medication | ||
0: Not during past month | 237 | 83.7 |
1: Less than once a week | 10 | 3.5 |
2: Once or twice a week | 7 | 2.5 |
3: Three or more times a week | 29 | 10.2 |
Global sleep quality | ||
Good quality (≤5) | 204 | 72.1 |
Poor quality (> 5) | 79 | 27.9 |