Ecological Studies

Thomas D. Koepsell and Noel S. Weiss

in Epidemiologic Methods

Published in print January 2004 | ISBN: 9780195150780
Published online September 2009 | e-ISBN: 9780199865161 | DOI:
 Ecological Studies

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This chapter discusses ecological studies, which examine exposure-disease associations among groups of people. In other words, they seek to determine how the frequency of exposure in each of several groups is related to the frequency of disease in that group. Topics covered include levels of measurement, studying effects of individual-level exposures, studying effects of group-level exposures, and studying exposures at two or more levels at once. Exercises are provided at the end of the chapter.

Keywords: epidemiology; epidemiological research; exposure-disease associations; levels of measurement; individual-level exposures

Chapter.  9612 words.  Illustrated.

Subjects: Public Health and Epidemiology

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