Table 4 Logistic regression analysis of chest CT lesion degree.
Variable | β-coefficient | \({S}_{\bar{x}}{\rm{value}}\) | Wald χ2 value | P value | Odds ratio | 95% CI |
|---|---|---|---|---|---|---|
Intercept | 0.706 | 0.513 | 1.894 | 0.169 | 2.026 | |
Dust exposure | 1.413 | 0.271 | 27.218 | <0.001* | 4.108 | 2.416–6.986 |
Classification of cases | 0.584 | 0.265 | 4.855 | 0.028* | 1.792 | 1.067–3.012 |
Age | 0.017 | 0.006 | 7.673 | 0.006* | 1.018 | 1.005–1.030 |
Duration of symptomsa | 0.021 | 0.011 | 3.764 | 0.052 | 1.022 | 1.000–1.044 |
Albumin-globulin ratio | −1.720 | 0.388 | 19.652 | <0.001* | 0.179 | 0.084–0.383 |