Symptoms associated with | Exposed (n = 21) | Unexposed (n = 50) | OR (95% CI)* |
Eye irritation or inflammation | 9 | 10 | 3.0 (0.9 - 9.1) |
COPD | 7 | 9 | 2.3 (0.7 - 7.3) |
Bronchoconstriction | 14 | 11 | 7.1 (2.3 - 21.9) |