Table 4.
Univariate logistic regression analysis
| OR | 95% C.I. for OR | |
|---|---|---|
| Age | .964* | .935–.993 |
| Gender | ||
| Male | 1.00 | |
| Female | .474* | .227–.989 |
| Marital status | ||
| Single | 1.00 | |
| Married | .384* | .183–.806 |
| Widow | .000 | |
| Divorced | 1.417* | .280–7.161 |
| Education status | ||
| Elementary | .938 | .101–8.718 |
| Secondary | .530 | .148–1.904 |
| High | 1.334 | .402–4.430 |
| College | 1.485 | .511–4.318 |
| Setting | ||
| Urban | 1.00 | |
| Rural | 1.00 | .335–2.984 |
| Alcohol addiction | ||
| No | 1.00 | |
| Yes | 4.304* | 1.645–11.264 |
| Cigarette use | ||
| No | 1.00 | |
| Yes | 3.669* | 1.726–7.798 |
| Shift-worker | ||
| No | 1.00 | |
| Yes | 3.614* | 1.357–9.625 |
| BMI | .925 | .853–1.005 |
When positive responses are given to item 1 + item 2 + item 3
BMI body mass index, OR odds ratio, CI confidence interval
*P value less than .05