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Suppose you have a study with a binary response variable and two treatment groups. You want to obtain confidence limits of the risk difference. What option in PROC FREQ would you use to determine the normal approximation for the confidence limits? Please provide the code you would use to implement this option.
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Principal Statistical Programmer

Interviewed at Everest Clinical Research

4.3
Dec 26, 2025

Suppose you have a study with a binary response variable and two treatment groups. You want to obtain confidence limits of the risk difference. What option in PROC FREQ would you use to determine the normal approximation for the confidence limits? Please provide the code you would use to implement this option.

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