# Multicollinearity for Offset Variable?

In a Poisson model, do we need to check for multicollinearity between the offset variable and other covariates? For example, if I offset by population size, would it be problematic to include covariates that are correlated with population?

• It is not problematic. In most software packages, the offset is specified inside of a function. In R, for example, glm(y ~ x + offset(log(population))...), where population size is the offset/exposure variable. – Thomas Bilach May 25 at 4:48