Nested case–control study: Difference between revisions

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A '''nested case control (NCC) study''' is a variation of a [[case-control study]] in which eachcases case is matched to one or moreand controls basedare ondrawn participantfrom characteristics,the e.g. age. In contrast,population in a standardfully case-controlenumerated studycohort.<ref>Porta M, a set of controls are selected without matchinged.</ref>

Usually, the exposure of interest is only measured among the cases and the selected controls. Thus the nested case control study is less efficient than the full cohort design. The nested case control study can be analyzed using methods for missing covariates.<ref name=Cai/>

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==References==

{{reflist}}

{{cite book |last=Porta |first=Miquel |date=2014 |title=A Dictionary of Epidemiology |___location=Oxford |publisher=Oxford University Press }}

==Further reading==