The retrospective cohort study compares groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke and ones who do not smoke) in …

Since cohort studies are observational, study participants are monitored, and study interventions are not provided. This paper describes the prospective and retrospective cohort designs, examines the …

Jul 31, 2023 · A retrospective cohort study, also known as a historical cohort study, is a type of observational study where the researcher looks back in time at historical data to examine the …

Feb 10, 2023 · A retrospective cohort study is a type of observational study focused on individuals who have an exposure to a disease or risk factor in common.

A retrospective cohort study is defined as a research method where investigators assemble a cohort by reviewing past records to identify exposures and subsequently reconstruct their disease or mortality …

May 3, 2025 · Discover everything you need to know about retrospective cohort studies, when they are used, their advantages and disadvantages, and how to take part.

Retrospective Cohort Study (Historical cohort; Non-concurrent Prospective Cohort) An investigator accesses a historical roster of all exposed and non-exposed persons and then determines their …

Nov 10, 2025 · A retrospective cohort study is an observational design used frequently in epidemiology. Researchers look backward in time to investigate the connection between a specific historical event …

Jan 2, 2026 · An introduction to the main features and uses of study designs popular and unique to medicine and the health sciences.

After a brief discussion of the history of case–control and retrospective cohort studies, this entry discusses the use, advantages, and disadvantages of the retrospective study design.