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A case control study and a cohort study are two widely used approaches in occupational health and safety research to understand the relationship between exposure to risk factors and the development of health outcomes among workers. Although both methods aim to identify associations between exposures and diseases, they differ significantly in design, execution, time orientation, cost, and interpretation. Understanding their distinctions is essential for selecting the appropriate methodology in workplace health studies. A case control study is retrospective in nature. It begins by identifying individuals who already have a particular health condition or disease (cases) and compares them with individuals who do not have the condition (controls). The researcher then looks backward ______ _______ __________ ______ _________ ________ ____ ________ _______ ________.
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