TABLE 4.7 Follow-up in Studies of Exposure to Uranium

Reference

Dates of Employment of Workers Who Are Eligible for Study

Date of Close of Mortality Follow-Up

Mean Follow-Up (years)

No. of Lung Cancer Deaths

Ritz, 1999

1951–1989

1990

30.9

112

Dupree et al., 1995

a

1983

26b

787

Checkoway et al., 1988

1947–1974

1979

20.6

89

Hadjimichael et al., 1983

1956–1978

1979

N/A

18c

Frome et al., 1990

1943–1947

1980

>33

850

Brown and Bloom, 1987

1954–1982

1982

N/A

48

Dupree et al., 1987

1943–1949

1979

30

21

Polednak and Frome 1981

1943–1947

1974

27

324

Stayner et al., 1985

1953–1977

1977

N/A

10

Waxweiler et al., 1983

1940–1972

1977

N/A

26

Archer et al., 1973a

1950–1953

1967

14

4

aDupree used four different populations: two Y12 cohorts (1943–1947 cohort and 1947– cohort), Malinckrodt (1942–1966), and Fernald (1951–1989). Dupree’s population and Frome’s have several hundred individuals in common (the exact number is not known to the committee).

bMean follow-up applies to the cases in this case-control study.

cThere were 14 lung cancer deaths in male workers in industrial jobs (the category that is used in Table 4.9).



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