An introduction to instrumental variables for epidemiologists - PubMed (original) (raw)
An introduction to instrumental variables for epidemiologists
S Greenland. Int J Epidemiol. 2000 Aug.
Erratum in
- An introduction to instrumental variables for epidemiologists.
Greenland S. Greenland S. Int J Epidemiol. 2018 Feb 1;47(1):358. doi: 10.1093/ije/dyx275. Int J Epidemiol. 2018. PMID: 29294084 No abstract available.
Abstract
Instrumental-variable (IV) methods were invented over 70 years ago, but remain uncommon in epidemiology. Over the past decade or so, non-parametric versions of IV methods have appeared that connect IV methods to causal and measurement-error models important in epidemiological applications. This paper provides an introduction to those developments, illustrated by an application of IV methods to non-parametric adjustment for non-compliance in randomized trials.
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