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The Stata Journal
Volume 11 Number 2: pp. 290-298

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Estimating adjusted risk ratios for matched and unmatched data: An update

Peter Cummings
Department of Epidemiology
School of Public Health and
Harborview Injury Prevention and Research Center
University of Washington
Seattle, WA
Abstract.  The Stata 11 margins command makes it easier to estimate adjusted risk ratios, and the new robust variance option for xtpoisson, fe provides correct confidence intervals for adjusted risk ratios from matched-cohort data.
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View all articles with these keywords: conditional Poisson regression, margins, matched-cohort design, risk ratio, standardization, xtpoisson

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