An Idea Exchange for SAS software and services

by Super Contributor
on ‎03-05-2014 01:49 PM

The strata-statement is also something I miss now and then. Thumbs up!

It is misleading that variables can be specified in strata, but the procedure only account for them in the exact analysis!

A macro doing this analysis can be found as supplementary material in the excellent paper by Richardson & Langholz:

Background stratified Poisson regression analysis of cohort data,  Radiation and Environmental Biophysics, Springer-Verlag, 2012, 51, 15-22,

or alternative, one can make a simple transformation of data and make the stratified Poisson regressin with PHREG.

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