Cross-sectional study/Definition: Difference between revisions
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imported>Howard C. Berkowitz (New page: <noinclude>{{Subpages}}</noinclude> Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a repr...) |
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Revision as of 17:20, 13 March 2009
Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with longitudinal studies which are followed over a period of time. National Library of Medicine