A simulation study on matched case-control designs in the perspective of causal diagrams

Abstract Background In observational studies, matched case-control designs are routinely conducted to improve study precision. How to select covariates for match or adjustment, however, is still a great challenge for estimating causal effect between the exposure E and outcome D. Methods From the per...

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Bibliographic Details
Main Authors: Hongkai Li, Zhongshang Yuan, Ping Su, Tingting Wang, Yuanyuan Yu, Xiaoru Sun, Fuzhong Xue
Format: Article
Language:English
Published: BMC 2016-08-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12874-016-0206-3