4529.0.00.003 - Foundation for a National Data Collection and Reporting Framework for family, domestic and sexual violence, 2014  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 30/09/2014  First Issue
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LINKAGE KEY


DESCRIPTION:

The ‘Linkage Key’ is a unique code or data string which represents a unique person in a data set or administrative collection.


BENEFITS OF COLLECTING THIS INFORMATION:

A ‘Linkage Key’ makes it possible to count the number of persons who have contacted an organisation and the services they received. Without a unique identifier it may not be possible to determine how many individuals came into contact with the organisation and the number of times they required assistance.


GUIDELINES:

The ‘Linkage Key’ is typically formed from characters in a person’s name, date of birth and sex (see existing classification below for example). This key is also used for linking across data systems to identify common persons. However a linkage key should only be activated across data systems with appropriate approvals and compliance with Privacy Acts.


RELATED DATA COLLECTION STANDARDS:

AIHW – METeOR – Record – Linkage Key

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