![]() ![]() Not all studies with cases and controls are case control studies. at work, in the environment, lifestyle) was more likely in the group with the condition than in the group without. It then looks back to see if an exposure to something in particular (e.g. This study design helps determine if a previous exposure is linked to a current condition, such as having a disease.Ī case control study compares people who already have a condition or disease (these are the cases) with people who do not have the condition or disease but are otherwise similar (these are the controls). Researchers can help find answers to this type of question using a case control study. You wonder if something in the workplace was the cause of their cancer. The two worked together for 30 years at the town’s food canning plant.
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