Answer Happy

Question 6: (6 Points): Which of the following 3 methods were used to control for confounding in the study described below: A. Matching B. Multivariate Analysis C. Randomization D. Restriction E. Stratified Analysis A cohort study is interested in examining the relationship between the use of household cleaning products in persons who work in the custodial industry (regularly clean bathrooms in schools, hotels, workplaces, etc.) and the development of bladder cancer in these persons. Only individuals who do not smoke and are older than age 40 are included in the study. There is also an intentional effort made to balance both gender and race/ethnicity in the study participants. In the analysis phase on the study, the researchers adjust for diabetes and high fat diet after calculating the initial risk ratios. Method 1: Method 2: Method 3: