Posted: October 5th, 2016

Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill.

Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of smoking cigarettes. a. Name the type of study. b. Create the appropriate 2X2 table for the study

Source: http://www.homeworkminutes.com/question/view/24749/COH-315-Principles-of-Epidemiology
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