Stratification Variables

Select one or more variables from the ADSL table by which to stratify the Cochran-Mantel-Haenszel exact test. Using such variables to stratify the analyses can help avoid confounding in the tests of interest.

Refer to PROC FREQ documentation for additional details.

To Specify Stratification Variables:

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Select Specified Below as Trial Time Windows.

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Click to open the Add window (shown below) that lists each variable contained in ADSL or the domain and SUPPxx (if merged) specific to this report.

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Select the variables you want to include in the analysis and click OK to add those variables to the text box.

In this example, SEX was selected and added.