Table 3. Multivariable logistic regression analysis results.
| Factors | Β | SD | Chi-square | p | OR | 95% CI | |
|---|---|---|---|---|---|---|---|
| Low | High | ||||||
| Area | −6.593 | 1.639 | 16.181 | <0.001 | 0.001 | 0.000 | 0.034 |
| History of fever | −2.239 | 1.039 | 4.644 | 0.031 | 0.107 | 0.014 | 0.816 |
| History of cough | −7.922 | 3.701 | 4.581 | 0.032 | <0.001 | 0.000 | 0.513 |
| Coughing time | 6.162 | 1.645 | 14.029 | <0.001 | 474.508 | 18.871 | 11,931.368 |
| WBC | 3.576 | 1.248 | 8.211 | 0.004 | 35.715 | 3.095 | 412.071 |
Note:
WBC, white blood cells; B, coefficient estimate; SD, standard deviation; OR, odds ratio; CI, confidence interval.