An introduction to instrumental variables for epidemiologists

被引:734
作者
Greenland, S [1 ]
机构
[1] Univ Calif Los Angeles, Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA 90095 USA
关键词
biometry; causal models; compliance; confounding; econometrics; epidemiological methods; instrumental variables; measurement error; misclassification; regression; regression calibration; statistics;
D O I
10.1093/ije/29.4.722
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
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.
引用
收藏
页码:722 / 729
页数:8
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