Term: Age Group

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Glossary Definition

Last Updated: 2008-02-21

Definition:

A defined age group is often part of the eligibility criteria for a research study. Selecting eligible age groups for a study depends upon the research question and the available data. For example, for certain disease categories, the event may be rare in younger age groups and a decision may be made to exclude such cases to avoid inflating the denominator.

In Kozyrskyj et al. (2005), the following age groups were selected for analyses: 0-18 years, 19-29 years, 30-44 years, 45-59 years, 60-74 years and 75+ years, as determined by age at the end of the calendar year (December). These age groups were selected to facilitate comparison with Reid et al. (2003) descriptions of high-cost users of health care.

Related concepts 

• Age - How to Calculate Using MCHP's Administrative Data
• Age as a Research Variable - Known Discrepancies

Related terms 

• Age

Links 

• MCHP Web Site - Documentation - Study Design - Eligibility Criteria - Age

References 

• Kozyrskyj A, Lix L, Dahl M, Soodeen R. High-cost Users of Pharmaceuticals: Who are They? Winnipeg, MB: Manitoba Centre for Health Policy, 2005. [Report] [Summary] (View)

Term used in 

• Menec V, Lix L, Steinbach C, Ekuma O, Sirski M, Dahl M, Soodeen R. Patterns of Health Care Use and Cost at the End of Life. Winnipeg, MB: Manitoba Centre for Health Policy, 2004. [Report] [Summary] (View)