Table 3.
Odds ratio of metabolic syndrome by PSQI and its components in males
| Score | n | OR | 95% CI | p value | |
|---|---|---|---|---|---|
| Global PSQI score |
≤5 |
497 |
1.00 |
(reference) |
|
| |
≥6 |
52 |
2.37 |
(1.23-4.58) |
0.010 |
| Subjective sleep quality |
0 |
173 |
1.00 |
(reference) |
|
| |
1 |
323 |
1.14 |
(0.69-1.88) |
0.603 |
| |
2 |
52 |
1.88 |
(0.87-4.07) |
0.107 |
| |
3 |
1 |
- |
- |
|
| Sleep latency |
0 |
353 |
1.00 |
(reference) |
|
| |
1 |
152 |
1.54 |
(0.95-2.51) |
0.082 |
| |
2 |
29 |
2.65 |
(1.14-6.15) |
0.023 |
| |
3 |
15 |
1.89 |
(0.58-6.21) |
0.293 |
| Sleep duration |
0 |
329 |
1.00 |
(reference) |
|
| |
1 |
151 |
1.89 |
(1.14-3.13) |
0.014 |
| |
2 |
66 |
1.65 |
(0.81-3.38) |
0.172 |
| |
3 |
3 |
14.08 |
(1.21-163.85) |
0.035 |
| Habitual sleep efficiency |
0 |
537 |
1.00 |
(reference) |
|
| |
1 |
11 |
1.90 |
(0.52-6.97) |
0.334 |
| |
2 |
1 |
- |
|
|
| |
3 |
0 |
- |
|
|
| Sleep disturbance |
0 |
251 |
1.00 |
(reference) |
|
| |
1 |
285 |
1.76 |
(1.09-2.86) |
0.022 |
| |
2 |
12 |
2.44 |
(0.64-9.22) |
0.190 |
| |
3 |
1 |
- |
|
|
| Use of sleep medication |
0 |
528 |
1.00 |
(reference) |
|
| |
1 |
3 |
0.00 |
(0.00- ) |
0.999 |
| |
2 |
3 |
1.40 |
(0.12-16.48) |
0.791 |
| |
3 |
15 |
1.17 |
(0.36-3.75) |
0.797 |
| Daytime dysfunction |
0 |
375 |
1.00 |
(reference) |
|
| |
1 |
152 |
1.61 |
(0.99-2.62) |
0.055 |
| |
2 |
17 |
0.30 |
(0.18-2.37) |
0.255 |
| 3 | 5 | 1.75 | (0.18-16.84) | 0.628 |
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.