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A Modified Poisson Regression Approach to Prospective Studies with Binary Data

2004/03/19 by G. Zou, Guangyong Zou · 115 citations
Mathematics · #Statistical Methods and Bayesian Inference #Advanced Causal Inference Techniques #Statistical Methods and Inference

paper · doi:10.1093/aje/kwh090

Abstract

Relative risk is usually the parameter of interest in epidemiologic and medical studies. In this paper, the author proposes a modified Poisson regression approach (i.e., Poisson regression with a robust error variance) to estimate this effect measure directly. A simple 2-by-2 table is used to justify the validity of this approach. Results from a limited simulation study indicate that this approach is very reliable even with total sample sizes as small as 100. The method is illustrated with two data sets.

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