Potential confounding variable

Reference no: EM131816364

An article entitled "Men, Beer, and Lung Cancer" reported that men who regularly consumed red wine were less likely to contract lung cancer than were men who drank beer.

a. The fact that men were studied separately from women indicates that a certain variable is being controlled for as a potential confounding variable. What is it?

b. Another variable was not mentioned and could easily enter in as a confounding variable. What is it?

Reference no: EM131816364

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