Table 3 Duration of exposure as a farmer and machinist and risk of NHL
From: Occupational exposures and non-Hodgkin's lymphoma: Canadian case-control study
Duration (in years) | NHL (N = 513) | Control (N = 1506) | OR (95% CI)a |
|---|---|---|---|
| Â | n (%) | n (%) | Â |
Job Title: Farmer | Â | Â | Â |
No exposure | 427 (83.2) | 1276 (84.7) | 1.00 |
<10 years | 36 (7.0) | 124 (8.2) | 0.84 (0.51, 1.41) |
10–20 years | 7 (1.4) | 23 (1.5) | 1.40 (0.57, 3.43) |
> 20 years | 43 (8.4) | 83 (5.5) | 1.55 (1.02, 2.36) c |
Job Title: Machinist | Â | Â | Â |
No exposure | 491 (95.7) | 1457 (96.7) | 1.00 |
<10 years | 10 (1.9) | 33 (2.2) | 0.75 (0.30, 1.88) |
10–20 years | 2 (0.4) | 4 (0.3) | 1.77 (0.31, 10.22) |
> 20 years | 10 (1.9) | 12 (0.8) | 2.33 (1.00, 5.52) c |