From: Radon exposure and lung cancer: risk in nonsmokers among cohort studies
Cohort study | N | Mean years of follow-up after start of work | Absolute risk coefficient/106 person-yr/WLM | Relative risk coefficient/WLM |
---|---|---|---|---|
Sweden iron, 1951–76 | 1294 | 44 | 19 | 0.036 |
Smokers | Â | 44 | 22 | 0.024 |
Nonsmokers | Â | 44 | 16 | 0.107 |