Chapter

Case–control studies*

Noel S. Weiss

in Oxford Textbook of Public Health

Fifth edition

Published on behalf of Oxford University Press

Published in print September 2009 | ISBN: 9780199218707
Published online March 2011 | e-ISBN: 9780199609673 | DOI: http://dx.doi.org/10.1093/med/9780199218707.003.0030

Series: Oxford Textbooks

Case–control studies*

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Case–control studies compare ill or injured individuals (cases) with those at risk of the illness or injury (controls) with regard to prior exposures or characteristics, and so appear to proceed backwards, from consequence to potential cause. However, if a case–control study is able to enrol cases and controls from the same underlying population at risk of the outcome, and can measure exposure status of these persons in a valid manner, the results obtained will closely resemble those of a properly performed cohort study.

Chapter.  9551 words. 

Subjects: Public Health and Epidemiology ; Medical Statistics and Methodology ; Public Health

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