Country | Total | Person-years | Deaths (% deaths in cohort) | Cancer deaths | Mean year first follow-up* | Last year follow-up | Mean year of birth | Female (%) |
USA | 58 313 | 732 657 | 3339 (6%) | 992 | 1997 | 2010 | 1958 | 0 |
UK | 9122 | 272 680 | 3477 (38%) | 1103 | 1976 | 2011 | 1939 | 15 |
Finland | 20 752 | 656 209 | 7155 (34%) | 1786 | 1977 | 2013 | 1943 | 12 |
Total | 88 187 | 1661 546 | 14 107 | 3881 | 1990 | 2011 | 1953 | 4 |
*Year of first blood lead test.