I am trying to do a linear regression to computer whether body weight can predict blood pressure after controlling for age, healthstatus, and physical activity. Here, my DV (blood pressure) is continuous and my IV(body weight) is continuous. Also, I have several covariate IVs; age is continous, healthstatus is categorical (dummy coded 1-5), and physical activity is continous (# hours doing physical activity). To do this, should I use proc glm or proc reg?
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