TABLE 4.
Results of logistic regression analyses for bronchitis subtype, asthma and chronic obstructive pulmonary disease (COPD) according to proximity to major roads, highways and industry
| Stable group | ||||||
|---|---|---|---|---|---|---|
| Outcome | Independent variable | B | SE | P | Exp(B) | 95% CI |
| Eosinophilic bronchitis | 3 km to 4 km from industry | 1.56 | 0.55 | 0.005 | 4.77 | 1.62–14.05 |
| Neutrophilic bronchitis | 1 km from highway | 1.55 | 0.71 | 0.028 | 4.69 | 1.18–18.67 |
| Neutrophilic bronchitis | 3 km to 4 km from industry | 0.71 | 0.61 | 0.245 | 2.04 | 0.61–6.80 |
| Asthma | 0 km to 1 km from highway | 0.57 | 0.24 | 0.016 | 1.78 | 1.12–2.83 |
| 0 km to 1 km from industry | 0.59 | 0.32 | 0.061 | 1.81 | 0.97–3.36 | |
| COPD | 2 km to 3 km from industry | 0.99 | 0.38 | 0.009 | 2.68 | 1.28–5.64 |
| Exacerbated group | ||||||
| Asthma | 200 m to 300 m from major road | 1.58 | 0.59 | 0.008 | 4.85 | 1.52–15.53 |
| COPD | 3 km to 4 km from industry | 1.80 | 0.67 | 0.007 | 6.04 | 1.625–22.47 |