Table 3.
Condition 3: Cumulative exposure to metalworking fluids (MWF) and leaving work among male and female autoworkersa
| Male Workers (N= 27,257) |
Female Workers (N= 4,228) |
||||||
|---|---|---|---|---|---|---|---|
| MWF Exposureb (mg/m3-years) | N Left Work | Person-years | Adjusted HR (95% CI) | MWF Exposureb (mg/m3-years) | N Left Work | Person-years | Adjusted HR (95% CI) |
|
| |||||||
| Straight | Straight | ||||||
| 0 | 7979 | 206,053.5 | Ref | 0 | 1126 | 30,432.5 | Ref |
| 0 to 0.38482 | 3374 | 85,952.0 | 1.13 (1.08–1.18) | 0 to 0.180 | 452 | 9,333.3 | 1.02 (0.90–1.15) |
| 0.38482 to 2.058 | 3375 | 81,198.7 | 1.05 (1.00–1.10) | 0.180 to 0.963 | 453 | 10,108.7 | 0.95 (0.84–1.09) |
| >2.058 | 3374 | 74,371.5 | 1.03 (0.98–1.07) | >0.963 | 453 | 7,385.3 | 1.01 (0.89–1.15) |
| Soluble | Soluble | ||||||
| 0 to 1.2742 | 4625 | 140,658.5 | Ref | 0 to 0.11 | 621 | 18,314.0 | Ref |
| 1.2742 to 4.658 | 4526 | 115,882.0 | 1.16 (1.11–1.21) | 0.11 to 1.522 | 621 | 16,836.4 | 1.06 (0.94–1.19) |
| 4.658 to 14.573 | 4526 | 111,218.9 | 1.01 (0.97–1.06) | 1.522 to 4.07 | 621 | 12,636.9 | 1.13 (0.99–1.28) |
| >14.573 | 4525 | 79,816.3 | 1.01 (0.96–1.06) | >4.07 | 621 | 9,472.4 | 0.98 (0.86–1.13) |
| Synthetic | Synthetic | ||||||
| 0 | 12652 | 314,853.2 | Ref | 0 | 1604 | 39,879.6 | Ref |
| 0 to 0.2555 | 1816 | 54,235.8 | 0.91 (0.86–0.97) | 0 to 0.167 | 293 | 6,945.7 | 1.15 (0.99–1.33) |
| 0.2555 to 1.464 | 1817 | 46,134.1 | 0.95 (0.89–1.01) | 0.167 to 0.81 | 294 | 6,076.7 | 1.12 (0.96–1.31) |
| >1.464 | 1817 | 32,352.7 | 1.08 (1.02–1.15) | >0.81 | 293 | 4,357.8 | 1.11 (0.96–1.29) |
a
Modeled stratified by sex using Cox models with age as time scale and adjusted for race, plant, calendar year, and year of hire. All MWF types were included in the same model.
b
Upper bound included in range