Table 1.
Description of individual study cohorts in the present analysis. Pooled Uranium Miners Analysis (PUMA) of uranium miners in Canada, Czech Republic, France, Germany, and the United States, male miners hired in 1960 or later.
| Study | Location | Period of follow-up | Miners | Average age at first exposure (y) | Average duration of employment (y) | Average duration of follow-up (y) | Mean cumulative exposure [WLM (max)] | Mean annual exposure rate [WL, (max)] |
|---|---|---|---|---|---|---|---|---|
| Eldorado27 | Canada | 1960–1999 | 6,593 | 27.2 | 2.0 | 25.0 | 6.6 (768.6) | 0.2 (26.1) |
| Ontario28 | Canada | 1960–2007 | 15,810 | 27.5 | 5.8 | 29.5 | 6.2 (232.3) | 0.4 (2.4) |
| Czech Republic14 | Czech Republic | 1960–2014 | 5,532 | 24.3 | 6.4 | 35.3 | 6.6 (91.9) | 0.2 (0.8) |
| France13 | France | 1960–2007 | 2,159 | 27.5 | 16.9 | 28.9 | 12.1 (118.3) | 0.1 (0.6) |
| Wismut16 | Germany | 1960–2013 | 25,067 | 21.2 | 10.0 | 36.2 | 18.4 (334.8) | 0.3 (4.6) |
| New Mexico29 | USA | 1960–2012 | 2,537 | 26.8 | 9.2 | 37.6 | 38.5 (461.7) | 4.7 (156.6) |
| Colorado Plateau12 | USA | 1960–2005 | 175 | 28.6 | 2.2 | 35.1 | 192.8 (1,849.9) | 7.5 (135.1) |
Note: max, maximum; WL, working level; WLM, working level months.