Cohort

Simplified definition

A group of people who share common traits, such as age or sex, and are chosen to participate to a study that aims at collecting information on the onset and evolution of a disease by following them up over a certain period.

Source: Houria Aiouaz, for Alzheimer Foundation

Referenced definition

“A group of individuals having a statistical factor (such as age or class membership) in common [ill or not], in a demographic study.”

Source: Merriam-Webster. Cohort. [Internet]. [cited on Sept 7, 2022]. 

 

Cohort : RELATED DEFINITIONS

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