Table 2.
The concentrations of major urinary metals among three occupational categories in the Jinchang cohort (ug/L Creatinine).
| Occupational Categories | N | 5th | 25th | Median | 75th | 95th | H * | p * |
|---|---|---|---|---|---|---|---|---|
| Nickel | ||||||||
| Low | 100 | 1.26 | 2.14 | 3.26 | 5.70 | 14.51 | 14.84 | 0.001 |
| Medium | 200 | 1.24 | 2.35 | 4.03 | 5.82 | 11.49 | ||
| High | 200 | 1.30 | 2.73 | 4.55 | 8.28 | 30.79 | ||
| Cobalt | ||||||||
| Low | 100 | 0.19 | 0.27 | 0.43 | 0.79 | 2.25 | 3.10 | 0.213 |
| Medium | 200 | 0.19 | 0.30 | 0.52 | 0.95 | 2.35 | ||
| High | 200 | 0.19 | 0.31 | 0.49 | 1.01 | 2.61 | ||
| Copper | ||||||||
| Low | 100 | 7.27 | 9.66 | 12.16 | 15.53 | 40.95 | 3.50 | 0.174 |
| Medium | 200 | 6.59 | 8.70 | 11.33 | 14.69 | 24.33 | ||
| High | 200 | 6.26 | 8.75 | 11.30 | 15.18 | 28.66 |
* Using the Kruskal–Wallis test.