Symptoms associated with | Exposed (n = 20) | Unexposed (n = 50) | OR (95% CI)* |
Eye irritation or inflammation | 8 | 10 | 2.7 (0.9 - 8.6) |
COPD | 6 | 9 | 1.9 (0.6 - 6.3) |
Bronchoconstriction | 6 | 11 | 1.5 (0.5 - 4.824) |