What does cohort study stand for??
A cohort study or panel study is a form of longitudinal study used in medicine, social science, actuarial science, business analytics, and ecology. It is an analysis of risk factors and follows a group of people who do not have the disease, and uses correlations to determine the absolute risk of subject contraction.
Why do you choose cohort study??
Cohort studies provide the best information about the causation of disease, because you follow persons from exposure to the occurrence of the disease. With data from cohort studies you can calculate cumulative incidences, which are the most direct measurement of the risk of developing disease.
What are the disadvantages of a cohort study??
Disadvantages of Retrospective Cohort Studies As with prospective cohort studies, they are not good for very rare diseases. If one uses records that were not designed for the study, the available data may be of poor quality. There is frequently an absence of data on potential confounding factors if the data was recorded in the past.
What is an example of a cohort study??
One famous example of a cohort study is the Nurses’ Health Study, a large, long-running analysis of women’s health, originally set up in 1976 to investigate the potential long term consequences of the use of oral contraceptives.