Table 5.
Logistic regression analysis of factors related to sleep quality
| |
|
OR§ (95% CIǁ) |
|
|||
|---|---|---|---|---|---|---|
| Variables | Model I* | Model II† | Model III‡ | |||
| Age (years) |
|
|
|
|
|
|
| ≤29 |
1.00 |
|
1.00 |
|
1.00 |
|
| 30 ~ 39 |
1.38 |
(0.82-2.34) |
1.32 |
(0.77-2.29) |
1.15 |
(0.63-2.01) |
| 40 ~ 49 |
0.86 |
(0.52-1.44) |
0.91 |
(0.53-1.55) |
0.71 |
(0.41-1.24) |
| ≥50 |
0.74 |
(0.39-1.40) |
0.76 |
(0.40-1.47) |
0.57 |
(0.28-1.14) |
| Alcohol intake |
|
|
|
|
|
|
| No |
1.00 |
|
1.00 |
|
1.00 |
|
| Yes |
1.37 |
(0.99-1.87) |
1.41 |
(1.01-1.97) |
1.34 |
(0.94-1.92) |
| Shift work |
|
|
|
|
|
|
| No |
1.00 |
|
1.00 |
|
1.00 |
|
| Yes |
1.66 |
(1.12-2.47) |
1.63 |
(1.08-2.46) |
1.58 |
(1.02-2.45) |
| Musculoskeletal symptoms |
|
|
|
|
|
|
| No |
|
|
1.00 |
|
1.00 |
|
| Yes |
|
|
3.37 |
(2.40-4.74) |
2.89 |
(2.02-4.14) |
| BDI-2¶ |
|
|
|
|
|
|
| Normal range |
|
|
|
|
1.00 |
|
| Abnormal range |
|
|
|
|
7.04 |
(4.03-12.30) |
| Total job stress** |
|
|
|
|
|
|
| Low |
|
|
|
|
1.00 |
|
| High | 0.93 | (0.93-2.72) | ||||
*Model I was adjusted for age, alcohol intake, and shift work. †Model II was adjusted for model I and musculoskeletal symptoms.
‡Model III was adjusted for model II, depression, and total job stress. §Odds ratio ǁconfidential interval ¶Beck Depression Inventory-II.
**Sum of categories score/7.