International Journal of Epidemiology, Vol 28, 1124-1129, Copyright © 1999 by International Epidemiological Association
DL Combs, LE Quenemoen, RG Parrish and JH Davis
BACKGROUND: A useful step in developing and implementing sound policies to
prevent disaster-attributed mortality is to classify the relationship
between disasters and mortality. While there are classification methods for
specific health outcomes, there is no standard method that includes all
potential outcomes from exposure to a natural disaster. Without standards,
our ability to assess health effects from disasters and implement
prevention programmes is limited. METHODS: We present a method for
ascertaining and classifying disaster- attributed mortality which includes
a case definition, flow chart, and matrix. The matrix is used for coding,
reporting, and evaluating information about manner, cause, and circumstance
of disaster- attributed deaths and geographical location and time of the
disaster. To illustrate its use, two readers determine and classify deaths
attributed to Hurricane Andrew (1992, USA). RESULTS: Of 322 deaths
investigated by the Dade County Medical Examiner's Office, our readers
showed 97% (313/322) agreement on case status and 83% (35/42) agreement on
case classification. CONCLUSIONS: Our definition allows for a liberal
interpretation of what constitutes disaster-related circumstances and the
conditions or diseases that might arise from these circumstances. The
inclusion of the flow chart and matrix provides a framework for consistent
case classification and reporting. It also provides information about
relationships between exposures and health effects, thereby identifying
prevention policy needs.
Assessing disaster-attributed mortality: development and application of a definition and classification matrix
Surveillance and Programs Branch, Division of Environmental Hazards and Health Effects, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA 30341-3724, USA.
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