Association between MFF and welding related respiratory symptoms in multiple logistic regression analysis*
| Cough | Wheezing | Chest tightness | At least 2 respiratory symptoms | |||||
|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| *The ORs for these models have been adjusted for years of employment, pack-years, and the presence of physician diagnosed asthma. | ||||||||
| Possible MFF (n=69) | 3.40 | 1.83 to 6.33 | 5.06 | 2.61 to 9.81 | 4.83 | 2.53 to 9.22 | 4.57 | 2.31 to 9.05 |
| Probable MFF (n=42) | 4.59 | 2.22 to 9.47 | 4.61 | 2.16 to 9.85 | 5.45 | 2.58 to 11.52 | 4.88 | 2.24 to 10.63 |