Table 4.
Multiple logistic regression model for Epworth Sleepiness Scale (ESS) according to subject characteristics
| Characteristics | Model 1 | Model 2 | |||
|---|---|---|---|---|---|
| OR | 95 % CI | OR | 95 % CI | ||
| Sex | Male | 1.0 | 1.0 | ||
| Female | 1.22 | 0.97-1.55 | 1.22 | 0.97-1.55 | |
| Age(years) | 20-29 | 1.0 | 1.0 | ||
| 30-39 | 2.22 | 1.07-4.58 | 2.20 | 1.06-4.54 | |
| 40-49 | 3.04 | 1.53-6.03 | 3.03 | 1.53-6.01 | |
| 50-59 | 3.25 | 1.65-6.41 | 3.19 | 1.62-6.30 | |
| 60-69 | 3.77 | 1.89-7.53 | 3.65 | 1.83-7.29 | |
| 70-74 | 4.53 | 2.13-9.62 | 4.39 | 2.06-9.33 | |
| Education | Never | 1.0 | 1.0 | ||
| Elementary school | 1.02 | 0.52-1.99 | 1.04 | 0.53-2.05 | |
| Middle school | 0.90 | 0.46-1.77 | 0.93 | 0.47-1.82 | |
| High school | 1.16 | 0.60-2.24 | 1.20 | 0.62-2.32 | |
| College or more | 0.73 | 0.36-1.50 | 0.75 | 0.37-1.54 | |
| Residency period(year) | <5 | 1.0 | 1.0 | ||
| 5-9 | 0.88 | 0.64-1.22 | 0.89 | 0.64-1.22 | |
| 10-14 | 0.86 | 0.63-1.19 | 0.86 | 0.62-1.20 | |
| ≥15 | 1.05 | 0.77-1.43 | 1.05 | 0.77-1.43 | |
| Noise exposure group | Control | 1.0 | 1.0 | ||
| Low-exposure | 2.58 | 1.65-4.04 | 2.57 | 1.64-4.03 | |
| High-exposure | 3.43 | 2.20-5.34 | 3.39 | 2.17-5.28 | |
| Operation or hospitalization within 1 year | No | 1.0 | |||
| Yes | 1.41 | 1.00-1.97 | |||