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Can I add confounding variables in a Discriminant Analysis?

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Can I add confounding variables in a Discriminant Analysis?

Hello,

I was wondering if it was possible to add confounding variables to my discriminant analysis in SAS enterprise guide.

Let me first describe the situation.

I have one single dependent variable, which is At Risk 1 or not at risk 0.

Then there are 3 continuos independent variables: Physical activity, sedentary and physical fitness.

The question I have to solve is: In which way can Physical activity, sedentary and physical fitness distinguish the two groups (At risk/not at risk)? Are the people with low physical activity, high sedentary and a low physical fitness more at risk? Age, Sex (0/1) and smoking (0/1) are to be used as confounding variables in this analysis.

So I was thinking about  discriminant analysis to adress this question.

Only I couldn't find a way to add this confounding variables. Can anyone help me with this? Or is another test better for this question?

Kind regards,

Hans Janssen

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