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"Health region" refers to administrative areas defined by the provincial ministries of health. For complete Canadian coverage, each of the northern territories also represents a health region.
See Table 1 Health regions in Canada – reference maps by province and territory.
See Map – Health regions 2011 by peer group
Since June 2007, only minor changes to health regions have occurred.
The boundaries, health region codes and health region names in the remaining provinces and territories have not changed since 2007.
See the following tables for history of changes since 2000:
Table 2-d Summary of changes to health region codes, names and boundaries, 2007 and 2011
Table 2-c Summary of changes to health region codes, names and boundaries, 2005 and 2007
Table 2-b Summary of changes to health region codes, names and boundaries, 2003 and 2005
Table 2-a Summary of Changes to health region codes, names and boundaries, 2000 and 2003
The publication "Health regions: boundaries and correspondence with census geography" describes the health region limits as of the 2011 reference period and their correspondence with the 2006 and 2001 Census geography. However, some data tables within this publication continue to reflect the boundaries in effect as of 2007, 2005 and 2003. These will be updated as new data tables are produced with future issues.
In order to effectively compare health regions with similar socio–economic characteristics, health regions have been grouped into 'peer groups'. Statistics Canada used a statistical method to achieve maximum statistical differentiation between health regions. Twenty–four variables were chosen to cover as many of the social and economic determinants of health as possible, using data collected at the health region level mostly from the Census of Canada. Concepts covered include:
Peer groups based on 2011 health region boundaries and 2006 Census data are now available. There are currently ten peer groups identified by letters A through J.
See Table 3 Health regions 2011 by peer group.
See Table 4 Summary table of peer groups and principal characteristics.
A more detailed discussion on the rationale and methods involved in the development of peer groups is available in "Health Region (2007) Peer Groups – User guide".