noun · academic

cohort

UK/ˈkəʊhɔːt/US/ˈkoʊhɔːrt/CO·hort

Band 6-7task2speaking

a group of people who share a characteristic and are studied over a period of time

Examples

The cohort was tracked for ten years to observe health outcomes.

A birth cohort can show how childhood conditions affect adulthood.

Cohort studies are common in epidemiology.

Band 8 sentence

The longitudinal cohort revealed subtle risk factors that cross-sectional surveys had missed.

Collocations

  • birth cohort
  • cohort study
  • follow a cohort

Word family

cohort study nouncohort-based adjective

Common mistakes

We followed a group of participants as a cohort study.We followed a cohort of participants for the study.

The cohort are healthy.The cohort is healthy.

Say it for a higher band

5group6sample7+cohort

Synonyms

group

Easily confused

group

We compared outcomes between two groups of patients.

sample

The sample included 200 volunteers from the city.

Related words

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In Science & Research

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