Findings from Indiana University Provides New Data about Risk Management (Bayesian Hierarchical Structure for Quantifying Population Variability to…

Findings from Indiana University Provides New Data about Risk Management (Bayesian Hierarchical Structure for Quantifying Population Variability to Inform Probabilistic Health Risk Assessments)

By a News Reporter-Staff News Editor at Insurance Weekly News -- Fresh data on Risk Management are presented in a new report. According to news reporting originating in Bloomington, Indiana, by VerticalNews journalists, research stated, "Human variability is a very important factor considered in human health risk assessment for protecting sensitive populations from chemical exposure. Traditionally, to account for this variability, an interhuman uncertainty factor is applied to lower the exposure limit."

Financial support for this research came from Indiana University.

The news reporters obtained a quote from the research from Indiana University, "However, using a fixed uncertainty factor rather than probabilistically accounting for human variability can hardly support probabilistic risk assessment advocated by a number of researchers; new methods are needed to probabilistically quantify human population variability. We propose a Bayesian hierarchical model to quantify variability among different populations. This approach jointly characterizes the distribution of risk at background exposure and the sensitivity of response to exposure, which are commonly represented by model parameters."

According to the news reporters, the research concluded: "We demonstrate, through both an application to real data and a simulation study, that using the proposed hierarchical structure adequately characterizes variability across different populations."

For more information on this research see: Bayesian Hierarchical Structure for Quantifying Population Variability to Inform Probabilistic Health Risk Assessments. Risk Analysis, 2016;():. (Wiley-Blackwell - www.wiley.com/; Risk Analysis - onlinelibrary.wiley.com/journal/10.1111/(ISSN)1539-6924)

Our news correspondents report that additional information may be obtained by contacting K. Shao, Dept. of Environmental Health, Indiana University, Bloomington, IN, United States. Additional authors for this research include B.C. Allen and M.W Wheeler.

Keywords for this news article include: Indiana, Bloomington, United States, Risk Management, Risk and Prevention, North and Central America.

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