Research Article
Underground Coal Mining: Relationship between Coal Dust Levels and Pneumoconiosis, in Two Regions of Colombia, 2014
Table 5
Logistic regression of pneumoconiosis, company size, level of risk due to exposure to bituminous coal, length of work history, and department.
| | | Sig. | OR | 95% CI (OR) |
| Department | | | | | Cundinamarca | −0.040 | 0.887 | 0.961 | 0.553–1.670 | Boyacá | | | 1.000 | | Company size | | 0.019 | | | Large | 0.111 | 0.748 | 1.118 | 0.567–2.203 | Medium | 0.833 | 0.007 | 2.301 | 1.260–4.201 | Small | | | 1.000 | | Coal dust level of risk | | 0.227 | | | Severe | 1.065 | 0.065 | 2.901 | 0.937–8.982 | High | 0.679 | 0.217 | 1.972 | 0.671–5.799 | Medium | 1.009 | 0.149 | 2.744 | 0.697–10.804 | Low | | | 1.000 | | Number of years at work | | | | | ≥30 years | 1.170 | 0.000 | 3.222 | 1.806–5.748 | 25–29.9 | 1.306 | 0.000 | 3.691 | 1.892–7.201 | <25 years | | | 1.000 | | Smoking for more than one year | | | | | Yes | 0.392 | 0.092 | 1.479 | 0.938–2.334 | No | | | 1.000 | | Constant | −2.183 | 0.000 | 0.113 | |
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