- Study guides, Class notes & Summaries

Case control study • a solution to many cohort study limitations • a study which cases of dz are identified, and then a sample of the population that produced the cases is identified (controls) -exposures are determined and compared for individuals in each group desirable to conduct: 1. when exposure data are expensive or difficult to obtain (i.e. nested pesticide in NHS) 2. When dz has long latent period (results may take decades to emerge; i.e. cancer, CVD) 3. when dz is rare 4....