Table 3.
Occupational exposure | SCC | Adenocarcinoma | Other | P valuea | |||
---|---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | ||
Never exposed | 69 | 82.1 | 13 | 21.3 | 41 | 74.5 | Reference |
Ever exposed (any agent) | 15 | 17.9 | 48 | 78.7 | 14 | 25.5 | <0.001 |
Wood dust | 6 | 7.1 | 31 | 50.8 | 7 | 12.7 | <0.001 |
Leather dust | 4 | 4.8 | 19 | 31.1 | 6 | 10.9 | <0.001 |
Nickel compounds | 1 | 1.2 | 1 | 1.6 | 1 | 1.8 | 0.44 |
Chromium compounds | 2 | 2.4 | 1 | 1.6 | 1 | 1.8 | 0.65 |
PAH | 2 | 2.4 | 0 | 0.0 | 0 | 0.0 | 0.46 |
Cork dust | 0 | 0.0 | 1 | 1.6 | 0 | 0.0 | 0.02 |
PAH: polycyclic aromatic hydrocarbons, SCC: squamous cell carcinoma.
aFrom chi-square test (reference: never exposed).
Note: a subject may have been exposed to more than one agent in his/her occupational history.