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Cohort R84: Crossroads/Atmospheric Nuclear Test Participation
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Title: Cohort R84: Crossroads/Atmospheric Nuclear Test Participation
Summary: This cohort consists of 73,704 Navy veterans (38,668 participants; 35,036 comparisons). Participants are those involved in Operation CROSSROADS (1 July through 31 August 1946): a test of the destructive power of the atomic bomb by air and underwater blasts targeting over 90 naval vessels. Participants were at least ten miles away from the blast point at time of detonations; many boarded target ships afterwards for inspection, equipment retrieval, and clean-up. In addition to the fields listed below in the cohort description, additional demographic and clinical data are extant.
References:
Johnson JC, Thaul S, Page WF, Crawford H. Mortality of veteran participants in the Crossroads nuclear test. Washington, DC: National Academy Press, 1996.
Johnson JC, Thaul S, Page WF, Crawford H. Mortality of veteran participants in the Crossroads nuclear test. Health Physics 1997; 73(1):187-9.
Keywords: Crossroads; radiation exposure; atomic bomb
Cohort Characteristics: 73,704 total records
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Data item |
Participants (38,668) |
Comparison (35,036) |
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Military service number: |
100% complete |
100% complete |
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Social security number: |
59% complete |
64% complete |
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Full name: |
100% complete |
100% complete |
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Date of birth: |
98% complete |
98% complete |
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Mean year of birth: |
1924 |
1923 |
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Median year of birth: |
1926 |
1925 |
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Year of birth range: |
1874-1931 |
1887-1931 |
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Vital status as of 1992 - |
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Crude mortality: |
31% |
31% |
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Date of death: |
100% complete |
100% complete |
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Underlying cause of death: |
87% complete |
90% complete |
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Branch of service:1 |
100% complete |
100% complete |
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Rank: |
100% complete |
100% complete |
1 Additional data is available for approximately 8,000 participants and controls from non-navy branches of service.
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Last Updated: 8/16/2005, 10:31 AM
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