期刊
ENVIRONMENTAL HEALTH PERSPECTIVES
卷 123, 期 11, 页码 1193-1199出版社
US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE
DOI: 10.1289/ehp.1409138
关键词
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资金
- U. S. Environmental Protection Agency (EPA)
- Internship/Research Participation Program at the Office of Research and Development, U.S. EPA
Background: There are > 80,000 chemicals in commerce with few data available describing their impacts on human health. Biomonitoring surveys, such as the NHANES (National Health and Nutrition Examination Survey), offer one route to identifying possible relationships between environmental chemicals and health impacts, but sparse data and the complexity of traditional models make it difficult to leverage effectively. Objective: We describe a workflow to efficiently and comprehensively evaluate and prioritize chemicalhealth impact relationships from the NHANES biomonitoring survey studies. Methods: Using a frequent itemset mining (FIM) approach, we identified relationships between chemicals and health biomarkers and diseases. Results: The FIM method identified 7,848 relationships between 219 chemicals and 93 health outcomes/biomarkers. Two case studies used to evaluate the FIM rankings demonstrate that the FIM approach is able to identify published relationships. Because the relationships are derived from the vast majority of the chemicals monitored by NHANES, the resulting list of associations is appropriate for evaluating results from targeted data mining or identifying novel candidate relationships for more detailed investigation. Conclusions: Because of the computational efficiency of the FIM method, all chemicals and health effects can be considered in a single analysis. The resulting list provides a comprehensive summary of the chemical/health co-occurrences from NHANES that are higher than expected by chance. This information enables ranking and prioritization on chemicals or health effects of interest for evaluation of published results and design of future studies.
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