Which is not a type of analytic epidemiological study? A. Retrospective cohort study B. Case-control study C. Cross-sectional study D. Historical prospective cohort study
Answer- D Historical prospective Cohort study
Explanation- Analytical epidemiological study has been classified into
1. Retrospective cohort study
2.Case control study
3. Cross sectional control study
In all of these both exposure and outcomes have occurred before start of the disease.In all we survey information into the past.
Although only prospective cohort study the process happen in real-time, we find people exposed and unexposed follow them over time to see them whether the develop the outcome.Hence it is not considered as epidemiological study.
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