| A method for estimating occupational radiation doses subject to minimum detection levels. | |
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MedLine Citation:
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PMID: 12498518 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Occupational radiation exposure is often coded as zero when the exposure dose is below the minimum detection level. This leads to an underestimation of the doses received by individuals and can lead to overestimates of risk in occupational epidemiologic studies. The extent of the dose underestimation is increased with the magnitude of the minimum detection level and the frequency of monitoring. The paper proposes a Bayesian approach to estimate the actual dose and the dose distribution parameter when the observed dose is subject to censoring due to minimum detection level. A Gibbs sampling algorithm is developed to implement the method. Simulation studies are used to evaluate the performance of the estimators. The method is applied to a sample of historical occupational radiation exposure data from the Oak Ridge National Laboratory. |
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Authors:
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Xiaonan Xue; Roy E Shore |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Health physics Volume: 84 ISSN: 0017-9078 ISO Abbreviation: Health Phys Publication Date: 2003 Jan |
Date Detail:
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Created Date: 2002-12-24 Completed Date: 2003-01-10 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 2985093R Medline TA: Health Phys Country: United States |
Other Details:
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Languages: eng Pagination: 61-71 Citation Subset: IM |
Affiliation:
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Division of Epidemiology and Biostatistics, Department of Environmental Medicine, New York University Medical Center, 650 1st Avenue, 5th floor, New York, NY 10016, USA. xiaonan.xue@med.nyu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Bayes Theorem Computer Simulation Humans Models, Theoretical* Occupational Exposure* Radiation Monitoring* Radiometry* |
| Grant Support | |
ID/Acronym/Agency:
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1R01 CCR215746/CC/CDC HHS; ES-00260/ES/NIEHS NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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