| Total Population n = 1393 |  | Never smokers n = 622 |  | ||||
---|---|---|---|---|---|---|---|---|
 | Case, n | Control, n | ORa | 95%CI | Case, n | Control, n | ORb | 95%CI |
 | 445 | 948 |  |  | 156 | 466 |  |  |
No previous exposures | 261 | 691 | Â | Refc | 104 | 371 | Â | Refd |
Any occupational exposure | 191 | 275 | 1.6 | 1.4-2.1 | 52 | 95 | 2.1 | 1.3-3.3 |
Ever worked with/been exposed to: | Â | Â | Â | Â | Â | Â | ||
   Asbestos | 31 | 51 | 1.1 | 0.6-2.0 | 5 | 16 | 1.0 | 0.3-3.0 |
   Solvents, paints or thinners | 107 | 152 | 1.6 | 1.2-2.3 | 33 | 54 | 2.8 | 1.6-5.0 |
   Welding equipment | 33 | 43 | 1.7 | 1.0-3.0 | 7 | 11 | 3.4 | 1.1-10.4 |
   Pesticides | 21 | 24 | 1.6 | 0.8-3.1 | 3 | 6 | 1.1 | 0.2-5.3 |
   Grain elevator dust | 12 | 19 | 1.1 | 0.5-2.4 | 3 | 7 | 1.1 | 0.3-4.6 |
   Wood dust | 47 | 80 | 1.5 | 1.0-2.4 | 11 | 26 | 1.8 | 0.8-4.2 |
   smoke-soot or exhaust | 75 | 99 | 1.7 | 1.2-2.5 | 21 | 33 | 2.8 | 1.4-5.3 |
   other than tobacco |  |  |  |  |  |  |  |  |