Table 2 Frequency distribution of results of PSQI sub scales among institutionalized elders in the Galle District
PSQI sub scale | Frequency (n) | Percentage (%) |
|---|---|---|
Subjective sleep quality | ||
Very good | 57 | 18.4 |
Fairly good | 173 | 55.8 |
Fairly bad | 56 | 18.1 |
Very bad | 24 | 7.7 |
Sleep latency | ||
No sleep latency | 42 | 13.5 |
Having sleep latency | 268 | 86.5 |
Sleep duration | ||
> 7 h | 93 | 30.0 |
6–7 h | 63 | 20.3 |
5–6 h | 67 | 21.6 |
< 5 h | 87 | 28.1 |
Habitual sleep efficiency | ||
> 85% | 99 | 31.9 |
75–84% | 72 | 23.2 |
65–74% | 40 | 12.9 |
< 65% | 99 | 31.9 |
Sleep disturbance | ||
Not during the past month | 11 | 3.5 |
Less than once a week | 299 | 96.5 |
Use of sleeping medication | ||
Not during the past month | 292 | 94.2 |
Less than once a week | 4 | 1.3 |
Once or twice a week | 9 | 2.9 |
Three or more times a week | 5 | 1.6 |
Daytime dysfunction | ||
No daytime dysfunction | 70 | 22.6 |
Has daytime dysfunction | 240 | 77.4 |