Table 4.
Self-reported symptoms and THMs levels from alveolar air samples for 115 occupationally exposed subjects.
| Symptoms | THMs alveolar air >12 μg/m3*** Adjusted OR (95% CI) | THMs alveolar air >21 μg/m3*** Adjusted OR (95% CI) |
|---|---|---|
| IRRITATIVE SYMPTOMS | ||
| Nasal itch | 1.2 (0.5–2.8) | 0.9 (0.4–2.0) |
| Sneezing | 1.0 (0.5–2.3) | 0.9 (0.4–1.9) |
| Red eyes | 4.3 (1.8–10.3)* | 6.2 (2.6–14.9)** |
| Itchy eyes | 3.5 (1.5–8.5)* | 3.5 (1.5–8.0)* |
| ASTHMA-RELATED SYMPTOMS | ||
| Coughing | 2.0 (0.8–4.8) | 1.4 (0.6–3.0) |
| Wheezing | 1.8 (0.6–5.6) | 1.2 (0.5–3.4) |
| Shortness of breath | 2.4 (0.5–11.9) | 1.0 (0.3–3.7) |
| Dyspnea/asthma | 6.5 (0.7–56.6) | 5.1 (1.0–27.2)* |
| OTHER OCULAR AND RESPIRATORY SYMPTOMS | ||
| Cold | 1.5 (0.7–3.4) | 1.3 (0.6–2.8) |
| Runny nose | 1.4 (0.6–3.4) | 1.7 (0.7–3.8) |
| Blocked nose | 2.0 (0.9–4.6) | 2.2 (1.0–4.7)* |
| Voice loss | 1.0 (0.4–2.2) | 1.5 (0.7–3.2) |
| Pharyngitis/bronchitis | 1.0 (0.3–1.7) | 0.7 (0.3–2.1) |
| Eye infections | 6.3 (0.8–51.7) | 2.8 (0.7–11.5) |
| Watery eyes | 1.5 (0.6–3.9) | 1.7 (0.7–4.2) |
Data are presented as odds ratio (95% confidence interval), adjusted for age, sex and smoking habits.
*
p < 0.05;
**
p< 0.001
***
Referent groups are subjects with alveolar air values ≤ 12 μg/m3 and ≤ 21 μg/m3, respectively.