Characteristics | OR (95% CI) | p Value | OR (95% CI) | p Value |
---|---|---|---|---|
Not in HCP | In HCP | |||
Smelter worker | 1.90 (0.34 to 10.52) | 0.464 | 1.59 (0.77 to 3.27) | 0.211 |
Electrical job | 1.23 (0.14 to 11.18) | 0.855 | 1.29 (0.45 to 3.71) | 0.633 |
Not in a smelter location | In a smelter location | |||
In HCP | 1.81 (1.04 to 3.17) | 0.036 | 2.02 (0.30 to 13.42) | 0.468 |
Electrical job | 1.12 (0.30 to 4.17) | 0.862 | 1.54 (0.35 to 6.76) | 0.570 |
For each case there were four controls matched on date of birth, year of hire, employee type and sex.