Hello, I want to test the homogeneity of OR and testing for interaction by Breslow-Day test using the following command on SAS University Edition: proc freq data=XXX; table def*abc/ cmh ; run; However in the output i am not getting the result of Breslow-Day test (I tried cmh bdt as well but it did not work) and I have no errors in the log. What could the problem be?   ... View more