A confounder is any variable other than the exposure or outcome) that can confuse the relationship between an exposure and outcome of interest.

Question

Quizplus · Accepted Answer

A confounder is indeed a variable that is not the exposure of interest but is associated with both the exposure and the outcome, potentially leading to a spurious association if not properly controlled for in the analysis.

A Confounder Is Any Variable Other Than the Exposure or Outcome)