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Activity Number: 152
Type: Contributed
Date/Time: Monday, August 7, 2006 : 10:30 AM to 12:20 PM
Sponsor: Biometrics Section
Abstract - #305500
Title: The Effect of Differential Misclassification in the Chuuk's Mudslide Study
Author(s): Tzesan Lee*+ and Josephine Malilay
Companies: National Center for Environmental Health and National Center for Environmental Health
Address: 1600 Clifton Road, Atlanta, GA, 30333,
Keywords: adjusted odds ratio ; case-control study ; misclassification error ; proxy respondent ; sensitivity and specificity
Abstract:

On July 2, 2002, Chuuk received almost 20 inches of rain within 24 hours from tropical storm Chata'an. Twelve mudslides on six islands on resulted in 43 deaths, hundreds of injuries, and more than 1,000 displaced residents. Interviews were conducted to assess the association between demographic factors, knowledge of warning systems, behavior response, access to health care, and deaths. Because proxies were used for both cases and controls, a misclassification error was likely to occur when classifying the exposure status of subjects. The aim of this paper is to study the effect of differential misclassification on the estimation of true unknown odds ratio for the death-exposure association in Chuuk's mudslide study.

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