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Confounding and regression adjustment in difference‐in‐differences studies
OBJECTIVE: To define confounding bias in difference‐in‐difference studies and compare regression‐ and matching‐based estimators designed to correct bias due to observed confounders. DATA SOURCES: We simulated data from linear models that incorporated different confounding relationships: time‐invaria...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Blackwell Publishing Ltd
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8522571/ https://www.ncbi.nlm.nih.gov/pubmed/33978956 http://dx.doi.org/10.1111/1475-6773.13666 |