Characteristics of eligible cohort members by PFOS exposure category
| High exposed* | Low exposed† | Non-exposed‡ | All | |
|---|---|---|---|---|
| *Ever employed in high exposure job. | ||||
| †Ever employed in low exposure jobs, but never a high exposure job. | ||||
| ‡No or minimal workplace fluorochemical exposure. | ||||
| Total | 982 | 289 | 812 | 2083 |
| Gender | ||||
| M | 826 | 204 | 700 | 1730 |
| (%) | (84) | (71) | (86) | (83) |
| F | 156 | 85 | 112 | 353 |
| (%) | (16) | (29) | (14) | (17) |
| Age at follow up | ||||
| Median | 49.7 | 52.9 | 51.4 | 50.9 |
| Interquartile range | 43.9–56.8 | 46.1–60.2 | 46.4–56.9 | 45.1–57.1 |
| Year of birth | ||||
| Median | 1948 | 1945 | 1947 | 1947 |
| Interquartile range | 1941–54 | 1937–52 | 1941–52 | 1941–53 |
| Years of employment | ||||
| Median | 16.7 | 10.4 | 9.9 | 13.2 |
| Interquartile range | 4.5–26.1 | 2.7–22.7 | 2.7–25.2 | 3.4–25.3 |
| Person-years of follow up | ||||
| Median | 24.8 | 26.3 | 26.7 | 25.9 |
| Interquartile range | 19.4–31.1 | 20.8–31.9 | 21.4–30.1 | 20.4–30.8 |
| Deaths | 65 | 27 | 53 | 145 |