Table 3.
Variables (N = 2551) | Frequency | Percentage | |
---|---|---|---|
Sleep Duration |
Greater than 7 hrs |
960 |
37.6% |
Mean (SD) = 6.79(1.84) |
6-7 hrs |
1060 |
41.6% |
5-6 hrs |
286 |
11.2% |
|
Less than 5 hrs |
245 |
9.6% |
|
Sleep latency |
0 |
478 |
18.7% |
1 |
859 |
33.7% |
|
2 |
918 |
36.0% |
|
3 |
296 |
11.6% |
|
Day time dysfunction |
0 |
519 |
20.3% |
1 |
1267 |
49.7% |
|
2 |
610 |
23.9% |
|
3 |
155 |
6.1% |
|
Sleep efficiency |
>85% |
1790 |
70.2% |
75-84% |
343 |
13.4 |
|
65-74% |
173 |
6.8% |
|
<65% |
245 |
9.6% |
|
Subjective Sleep quality |
Very good |
852 |
33.4% |
Fairly good |
1385 |
54.3% |
|
Fairly bad |
236 |
9.3% |
|
Very bad |
78 |
3.1% |
|
Sleep disturbance |
0 |
125 |
4.9% |
1 |
1722 |
67.4% |
|
2 |
686 |
26.9% |
|
3 |
18 |
0.7% |
|
Use of sleep medication |
Not during the past month |
2326 |
91.2% |
Lessa than once a week |
136 |
5.3% |
|
Once or twice a week |
65 |
2.5% |
|
Three or more times a week |
24 |
0.9% |
|
Sleep quality score |
Good sleep |
1127 |
44.2% |
Mean (SD) = 6.23(2.89) | Poor sleep | 1424 | 55.8% |