Which of the following is not classified as a cohort study design?
Solution
Correct Answer: Option A
- A descriptive study is not classified as a cohort study because it primarily aims to describe characteristics or outcomes in a population without assessing exposure-outcome relationships.
- In contrast, cohort studies (prospective, retrospective, historical) involve following groups based on exposure status over time to determine the incidence of outcomes.
- Thus, cohort studies are analytical, while descriptive studies do not investigate causality or exposure effects.
Reference: Gordis, Epidemiology, 5th Edition, Chapter 6, p.117-120
- In contrast, cohort studies (prospective, retrospective, historical) involve following groups based on exposure status over time to determine the incidence of outcomes.
- Thus, cohort studies are analytical, while descriptive studies do not investigate causality or exposure effects.
Reference: Gordis, Epidemiology, 5th Edition, Chapter 6, p.117-120
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