##  [Cohort Study](/cohort-study) 

  ##  [Cohort Study](https://health.quantumdictionary.io/cohort-study-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An observational design that follows a defined group of individuals (a cohort) over time, prospectively or retrospectively, to measure incidence of outcomes in relation to measured exposures; enables estimation of absolute risks and relative risks when sampling and follow‑up are appropriate.