Selection bias due to conditioning on a collider

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.

Detalles Bibliográficos
Autores principales: Hernán, Miguel A, Monge, Susana
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group Ltd. 2023
Materias:
Research Methods & Reporting
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10245143/
https://www.ncbi.nlm.nih.gov/pubmed/37286200
http://dx.doi.org/10.1136/bmj.p1135
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author Hernán, Miguel A
Monge, Susana
author_facet Hernán, Miguel A
Monge, Susana
author_sort Hernán, Miguel A
collection PubMed
description 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.
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spelling pubmed-102451432023-06-08 Selection bias due to conditioning on a collider Hernán, Miguel A Monge, Susana BMJ Research Methods & Reporting 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. BMJ Publishing Group Ltd. 2023-06-07 /pmc/articles/PMC10245143/ /pubmed/37286200 http://dx.doi.org/10.1136/bmj.p1135 Text en © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. https://creativecommons.org/licenses/by-nc/4.0/This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) .
spellingShingle Research Methods & Reporting
Hernán, Miguel A
Monge, Susana
Selection bias due to conditioning on a collider
title Selection bias due to conditioning on a collider
title_full Selection bias due to conditioning on a collider
title_fullStr Selection bias due to conditioning on a collider
title_full_unstemmed Selection bias due to conditioning on a collider
title_short Selection bias due to conditioning on a collider
title_sort selection bias due to conditioning on a collider
topic Research Methods & Reporting
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10245143/
https://www.ncbi.nlm.nih.gov/pubmed/37286200
http://dx.doi.org/10.1136/bmj.p1135
work_keys_str_mv AT hernanmiguela selectionbiasduetoconditioningonacollider
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