Table 3.
Examining the effects of variables with binary logistic regression analysis.
| β | S.E. | p | Exp (B) | 95% C.I. for exp (B) | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| Age | −0.015 | 0.017 | 0.395 | 0.985 | 0.953 | 1.019 |
| Gender | 0.520 | |||||
| Female | −0.404 | 0.385 | 0.293 | 1.498 | 0.705 | 3.184 |
| Other | −0.162 | 0.438 | 0.711 | 0.850 | 0.360 | 2.008 |
| Vaccine | −2.025 | 0.317 | 0 < 0.001 | 0.132 | 0.071 | 0.246 |
| Job | 0.300 | |||||
| Retired | −0.461 | 0.564 | 0.413 | 0.63 | 0.209 | 1.904 |
| Unemployed | −0.55 | 0.475 | 0.246 | 0.577 | 0.227 | 1.463 |
| Student | −0.795 | 0.525 | 0.13 | 0.451 | 0.161 | 1.263 |
| Education | 0.244 | |||||
| High-school | 0.512 | 0.458 | 0.264 | 1.668 | 0.679 | 4.096 |
| University | 0.542 | 0.34 | 0.111 | 1.719 | 0.882 | 3.351 |
| Income (USD) | 0.567 | |||||
| > 800 | 0.297 | 0.394 | 0.451 | 1.346 | 0.622 | 2.913 |
| 500–799 | 0.376 | 0.353 | 0.287 | 1.457 | 0.729 | 2.912 |
| No other disease | −0.556 | 0.703 | 0.429 | 0.574 | 0.145 | 2.277 |
| Diabetes | −0.355 | 0.811 | 0.662 | 0.701 | 0.143 | 3.435 |
| Overweight | 0.091 | 0.751 | 0.903 | 1.095 | 0.252 | 4.77 |
| Hypertension | 0.047 | 0.749 | 0.950 | 1.048 | 0.241 | 4.553 |
| Cardiovascular disease | −0.738 | 0.834 | 0.376 | 0.478 | 0.093 | 2.452 |
| Lung diseases | −1.445 | 1.655 | 0.383 | 0.236 | 0.009 | 6.04 |
| Cancer | 1.23 | 1.19 | 0.301 | 3.423 | 0.332 | 35.267 |
| Chronic renal failure | −1.701 | 1.421 | 0.231 | 0.183 | 0.011 | 2.956 |
| Cardiac failure | −0.873 | 2.146 | 0.684 | 0.418 | 0.006 | 28.007 |
| Comorbidity | 1.29 | 1.149 | 0.261 | 3.634 | 0.382 | 34.531 |
| Constant | −0.704 | 2.434 | 0.772 | 0.495 | ||
Note: Hosmer–Lemeshow test p:0.979; Cox and Snell R:0.169; Nagelkerke R2: 0.222; Overall percentage: 68.9; Reference category: Simple (first), Reference categories: Gender–Female; Occupation–Full-time; Education–College; Income–< 500 USD; Vaccination–Vaccinated. Bold values indicate statistically significant results (p < 0.05).
Abbreviations: S.E., standard error; C.I., confidence interval; USD, United States Dollars.