casecontrolstudies
A case-control study is a type of observational research design commonly used in epidemiology to identify and evaluate factors that may contribute to a specific outcome or disease. This design involves selecting two groups: cases, which consist of individuals who have the disease or condition of interest, and controls, comprising individuals without the disease. The primary goal is to compare the exposure histories of the two groups to determine if a particular factor is associated with the disease.
Case-control studies are especially useful for studying rare diseases or conditions with long latency periods, as
Data collection typically relies on retrospective analysis, where researchers look back into medical records, interviews, or
While case-control studies are valuable for exploring associations, they are susceptible to biases such as recall
In summary, case-control studies serve as an important tool in epidemiology by providing insights into possible