Nguyen, Trang Quynh; Dafoe, Allan; Ogburn, Elizabeth L. - In: Epidemiologic Methods 8 (2019) 1
bias. Characterizing the magnitude and direction of collider bias is crucial for understanding the implications of … selection bias and for adjudicating decisions about whether to control for variables that are known to be associated with both … derive collider bias that results from (i) conditioning on specific levels of the collider or its child (on the covariance …