In the example code, what does the column=2 option work? Also, it is giving me the following output. Does "controlling for treatment" mean treatment is the stratifying factor? I actually want the output in the following format where I get the common risk difference adjusted for the stratifying factor i.e., sex comparing between each treatment group and placebo. Placebo (Normal) Treatment 1 (High) Treatment 2 (Optimal) Estimated Common Risk Difference (95% CI) - xx (xx.x, xx.x) xx (xx.x, xx.x) p-value - 0.xxx 0.xxx
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