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- A case-control study of the relationship between cigarette smoking and pancreatic cancer. In the study coffee drinking is associated with smoking and is a risk factor for pancreatic cancer among both smokers and nonsmokers. Is coffee drinking a confounder in the study?
- A study of the relationship between contact lens use and the risk of eye ulcers. The crude relative risk is 3.0 and the age-adjusted relative risk is 1.5. Is age a confounder in this study??
Paper#9209967 | Written in 27-Jul-2016Price : $17.85