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duke_notes [2025/11/17 21:01] adminduke_notes [2025/11/17 21:46] (current) admin
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 [[https://stats.libretexts.org/Bookshelves/Introductory_Statistics/OpenIntro_Statistics_(Diez_et_al)./06%3A_Inference_for_Categorical_Data | Inference for Categorical Variables]] [[https://stats.libretexts.org/Bookshelves/Introductory_Statistics/OpenIntro_Statistics_(Diez_et_al)./06%3A_Inference_for_Categorical_Data | Inference for Categorical Variables]]
  
-effect modification vs confounding+===== General Tips ===== 
 + 
 +  * if you can, pick a continuous outcome over a binary outcome 
 +    * Why? For a binary outcome, you'll need a much larger sample size. Continuous outcomes also allow more precision. 
 +  * logistic regressions stink! 
 + 
 +logistic regression = linear model for the log-odds of the outcome 
 + 
 +=== analyzing relationship between categorical outcome and a continuous covariate === 
 + 
 +===effect modification vs confounding===
  
 if we don't take effect modification into account, we get an over-generalized estimate of the relationship between the outcome and the exposure for the entire co-hort if we don't take effect modification into account, we get an over-generalized estimate of the relationship between the outcome and the exposure for the entire co-hort
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