Table 1. Sampling distribution of high nickel exposure in groups with different lengths of service.
Years of Service | Age group (years) | ||||||
---|---|---|---|---|---|---|---|
20–24 | 25–29 | 30–34 | 35–39 | 40–44 | 45–49 | 50 and older | |
0– | 20 | — | — | — | — | — | — |
5– | — | 20 | — | — | — | — | — |
10– | — | — | 20 | — | — | — | — |
15– | — | — | — | 20 | — | — | — |
20– | — | — | — | — | 20 | — | — |
25– | — | — | — | — | — | 20 | — |
30+ | — | — | — | — | — | — | 20 |