SOLVED: EC4, Now obtain a pooled Mantel-Haenszel odds ratio using the formula here: It's not as hard as it looks. Then apply the formula IAOR-CORICORI 100% to determine whether there is confounding.
The Cochran-Mantel-Haenszel Method
A Note on the Mantel-Haenszel Estimators When the Common Effect Assumptions Are Violated
PPT - Confounding and Interaction: Part III PowerPoint Presentation, free download - ID:6059145
27 Sep 2001 - DRAFT
A Stratified Analysis
Use and Interpret Cochran-Mantel-Haenszel in SPSS - Accredited Professional Statistician For Hire
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Running a Cochran-Mantel-Haenszel test with XLSTAT | XLSTAT Help Center
Cochran-Mantel-Haenszel Test with Common Odds Ratio, Breslow Day Test with Quadratic Equation. - YouTube
How to do Cochran-Mantel-Haenszel Test for contingency table in Stata? | ResearchGate