Term: Offset Variable

Glossary Definition

Last Updated: 2006-10-20

Definition:

An offset variable is used to adjust Poisson and Negative Binomial models for differential "exposure" in data records (e.g., different lengths of time periods, populations).

Related terms 

• Poisson Distribution

References 

• Lix L, Yogendran M, Burchill C, Metge C, McKeen N, Moore D, Bond R. Defining and Validating Chronic Diseases: An Administrative Data Approach. Winnipeg, MB: Manitoba Centre for Health Policy, 2006. [Report] [Summary] (View)