covariance; covariate
Technical term in statistics and mathematics. 'Covariance' refers to a measure of joint variability, while 'covariate' refers to a variable that is possibly predictive of the outcome under study.
Adjusting for covariates allows for a more accurate analysis.
In this model, age and gender are treated as covariates.
A modern statistical term formed from 共変 and 量, used chiefly as the Japanese equivalent of English “covariate.”