Quantification of collider-stratification bias and the birthweight paradox. – PubMed – NCBI

January 13, 2019

https://www.ncbi.nlm.nih.gov/pubmed/19689488

QT:{{”
Recently, causal diagrams have been used to illustrate the possibility for collider-stratification bias in models adjusting for birthweight. When two variables share a common effect, stratification on the variable representing that effect induces a statistical relation between otherwise independent factors.
“}}