noun · academic

covariate

UK/kəʊˈveərɪət/US/koʊˈveriət/co·VAR·i·ate

Band 6-7task2speaking

a variable that is possibly predictive of the outcome and is included in the analysis to control for its effect

Examples

Age and baseline health status were included as covariates in the regression model.

We adjusted for covariates such as education and income to isolate the treatment effect.

Treating a confounder as a covariate can reduce bias if correctly specified.

Band 8 sentence

In the multivariable analysis we included socioeconomic status and baseline comorbidity as covariates to obtain an unbiased estimate of the intervention effect.

Collocations

  • include covariates
  • adjust for covariates

Word family

covariate nouncovariation noun

Common mistakes

We put age as covariate without article.We put age as a covariate.

Covariate means the same as confounder always.A covariate may be a confounder but not all covariates are confounders.

Say it for a higher band

5control variable6adjustment variable7+covariate

Synonyms

control variable

Easily confused

confounder

Smoking was identified as a confounder in the study of air pollution and lung disease.

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