Table 4.
Odds ratio of metabolic syndrome by PSQI and its components in females
| Score | n | OR | 95% CI | p value | |
|---|---|---|---|---|---|
| Global PSQI score |
≤5 |
799 |
1.00 |
(reference) |
|
| |
≥6 |
133 |
2.71 |
(1.45-5.07) |
0.002 |
| Subjective sleep quality |
0 |
290 |
1.00 |
(reference) |
|
| |
1 |
530 |
1.41 |
(0.77-2.58) |
0.263 |
| |
2 |
108 |
1.55 |
(0.59-4.08) |
0.378 |
| |
3 |
4 |
2.96 |
(0.26-34.11) |
0.385 |
| Sleep latency |
0 |
555 |
1.00 |
(reference) |
|
| |
1 |
261 |
1.65 |
(0.86-3.16) |
0.131 |
| |
2 |
85 |
3.82 |
(1.81-8.09) |
<0.001 |
| |
3 |
31 |
5.95 |
(2.17-16.34) |
0.001 |
| Sleep duration |
0 |
411 |
1.00 |
(reference) |
|
| |
1 |
324 |
0.96 |
(0.50-1.85) |
0.904 |
| |
2 |
186 |
1.57 |
(0.81-3.06) |
0.185 |
| |
3 |
11 |
1.20 |
(0.13-10.91) |
0.870 |
| Habitual sleep efficiency |
0 |
915 |
1.00 |
(reference) |
|
| |
1 |
11 |
3.96 |
(0.96-16.34) |
0.057 |
| |
2 |
4 |
- |
|
0.999 |
| |
3 |
2 |
10.42 |
(0.61-176.68) |
0.105 |
| Sleep disturbance |
0 |
412 |
1.00 |
(reference) |
|
| |
1 |
492 |
2.43 |
(1.26-4.69) |
0.008 |
| |
2 |
27 |
3.84 |
(1.17-12.65) |
0.027 |
| |
3 |
1 |
- |
|
|
| Use of sleep medication |
0 |
861 |
1.00 |
(reference) |
|
| |
1 |
18 |
3.81 |
(1.15-12.68) |
0.029 |
| |
2 |
10 |
1.12 |
(0.13-9.86) |
0.916 |
| |
3 |
43 |
3.10 |
(1.32-7.30) |
0.009 |
| Daytime dysfunction |
0 |
609 |
1.00 |
(reference) |
|
| |
1 |
263 |
1.12 |
(0.61-2.06) |
0.710 |
| |
2 |
52 |
0.75 |
(0.16-3.52) |
0.718 |
| 3 | 8 | 6.27 | (1.24-31.79) | 0.027 |
Data are presented as adjusted odds ratio (95% Confidence Interval) of metabolic syndrome.
Logistic regression analysis was conducted after adjusted for age, current drinking status, current smoking status, working hours per a week, exercise habits and depression.
Abbreviations: OR, odds ratio. CI, confidence interval. PSQI, Pittsburgh sleep quality index