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Logical Data Model

Project:

Dissemination Area
Appears In: Geography LDM Subject Area
A small, relatively stable geographic unit composed of one or more adjacent dissemination blocks with an average population of 400 to 700 persons, based on data from the previous Census of Population Program.<br/>
  • Attributes
  • Associations To
  • Associations From
  • Constraints
Attribute Type
Dissemination Area Code Codeable Concept
Notes: A coded concept that specifies a dissemination area.<br/><br/>Value set: https://www12.statcan.gc.ca/census-recensement/2021/dp-pd/prof/details/download-telecharger.cfm?Lang=E<br/>
Income Quintile Code Codeable Concept
Notes: A coded concept that specifies an income quintile.<br/><br/>Value Set:<br/>To be developed.<br/>
Income Decile Code Codeable Concept
Notes: A coded concept that specifies an income decile.<br/><br/>Value Set:<br/>To be developed.<br/>
Geographical Boundary Polygon
Notes: The abstract lines or physical features that separate one place or area from another.<br/>
Geography Effective Date Date
Notes: The first date when the information specified is valid, which is generally the release date of a census.<br/>
Relationship Target Entity
for (best fit linkage)
As defined in the Health Region Correspondence FIle (dissemination area and health Region)<br/>
Health Region Dissemination Area
has (best fit linkage)
<br/><br/>
Census Subdivision
for (best fit linkage)   Health Subregion Dissemination Area
Relationship Target Entity
grouped into   Dissemination Block
has   Canadian Postal Code
Constraint
Unique Key: Dissemination Area Code, Geography Effective Date