Selection bias due to conditioning on a collider.
other · Level V
Where this comes from
- Record sourced from PubMed, PMID 37286200.
- Also identified by DOI 10.1136/bmj.p1135 and PMC identifier 10245143.
- Licence recorded as CC BY-NC.
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Abstract
Effect estimates may be biased when the study design or the data analysis is conditional on a collider—a variable that is caused by two other variables. Causal directed acyclic graphs are a helpful tool to identify colliders that may introduce selection bias in observational research.
Medical subject headings
- Selection Bias