Table 4 Parameter estimates for effect modification by duration of exposure for the Wismut cohort, mean doses by duration of exposure for all workers and for cases, given in BEIR VI categories (BEIR, 1999) for duration of exposure
From: Lung cancer risk among German male uranium miners: a cohort study, 1946–1998
All workers | Lung cancer cases | ||||
|---|---|---|---|---|---|
Duration (years) | Parameter estimate | No. of workers | Mean exposure (WLM) | No. of cases | Mean exposure (WLM) |
<5 | 1.0 | 17 714 | 53.90 | 280 (1.6%) | 135.74 |
5–14 | 1.35 (0.63–2.87) | 20 023 | 243.34 | 735 (3.6%) | 637.78 |
15–24 | 1.97 (0.92–4.22) | 10 022 | 328.67 | 653 (6.5%) | 864.85 |
25–34 | 1.54 (0.71–3.33) | 7509 | 371.72 | 488 (6.5%) | 777.93 |
35+ | 1.05 (0.43–2.55) | 3733 | 619.19 | 232 (6.2%) | 849.37 |
All | 59 001 | 241.08 | 2388 (4.01%) | 690.20 | |
