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date: 08 March 2021

Confounding 

Source:
A Dictionary of Epidemiology
Author(s):

Miquel Porta

(From the Latin confundere, to mix together)

1. Loosely, the distortion of a measure of the effect of an exposure on an outcome due to the association of the exposure with other factors that influence the occurrence of the outcome. Confounding occurs when all or part of the apparent association between the exposure and the outcome is in fact accounted for by other variables that affect the outcome and are not themselves affected by exposure....

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