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Instrumental Variable Analysis with a Nonlinear Exposure–Outcome Relationship
BACKGROUND: Instrumental variable methods can estimate the causal effect of an exposure on an outcome using observational data. Many instrumental variable methods assume that the exposure–outcome relation is linear, but in practice this assumption is often in doubt, or perhaps the shape of the relat...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Lippincott Williams & Wilkins
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4222800/ https://www.ncbi.nlm.nih.gov/pubmed/25166881 http://dx.doi.org/10.1097/EDE.0000000000000161 |