Table 1:
Characteristics of ESRD cases, deaths, and person-time distribution, UAW-GM cohort men only, 1973–2009
| Person-years | ESRD | Deaths | |
|---|---|---|---|
| Characteristic | N=863,632 | N=501 | N=13,434 |
| Total workers, n | 32,025 | ||
| Age, mean (SD) | 52.90 (13.95) | 65.13 (12.47) | 68.68 (12.98) |
| Race, % | |||
| Whites | 83.06 | 65.87 | 82.05 |
| Blacks | 16.94 | 34.13 | 17.95 |
| Plant, % | |||
| Plant 1 | 24.24 | 38.92 | 32.05 |
| Plant 2 | 38.27 | 35.33 | 44.25 |
| Plant 3 | 36.49 | 25.75 | 23.69 |
| Calendar year of hire, mean (SD) | 1963 (10.46) | 1960 (10.45) | 1956 (10.00) |
| Years since hire, mean (SD) | 28.56 (11.94) | 39.22 (11.51) | 38.75 (12.20) |
| Straight MWF* | |||
| Non exposed | 56.95 | 48.82 | 45.82 |
| Exposed | 43.05 | 51.18 | 54.18 |
| Cumulative, mg/m3-year, mean (SD) | 1.92 (8.66) | 2.65 (9.40) | 3.10 (12.02) |
| Soluble MWF* | |||
| Non exposed | 28.88 | 13.37 | 14.00 |
| Exposed | 71.12 | 86.63 | 86.00 |
| Cumulative, mg/m3-year, mean (SD) | 6.67 (12.68) | 10.24 (14.97) | 12.33 (18.00) |
| Synthetic MWF* | |||
| Non exposed, % | 75.77 | 73.45 | 70.70 |
| Exposed, % | 24.23 | 26.55 | 29.30 |
| Cumulative, mg/m3-year, mean (SD) | 0.46 (3.05) | 0.56 (4.22) | 0.82 (4.49) |
Abbreviations: ESRD, end-stage renal disease; MWF, metalworking fluids; SD, standard deviation
*
MWF exposure in units of mg/m3-year with 15-year lag