What does this mean in clinical nutrition?
Case control studies are observational studies in which two existing groups (differing in outcome) are identified and compared on the basis of a casual attribute.
Group 1 - Has the condition or disease plus another factor.
Group 2 - Does not have the disease but has the same factor.
Cohort studies uses a group of people who share a common defining characteristic such as graduation or birth etc.
An analysis over time of risk factors of people who do not have a disease but uses correlations to determine the absolute risk.
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