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Table 1 The enhancement methods used in the analyses

From: Using data linkage to enhance the reporting of cancer outcomes of Aboriginal and Torres Strait Islander people in NSW, Australia

Method

Description

Ever reported [7]

Recorded as being Aboriginal at least once in any of the data sources.

Most recent record [7]

Recorded as being Aboriginal in the most recent record in any of the data sources.

Weight of evidence [2]

Recorded as Aboriginal if

1) there are three or more units of information and at least two indicate that the person is Aboriginal;

2) if there are one or 2 units of information and at least one identifies the person as Aboriginal.

Multi-stage median [9]

The weight of evidence method is applied in a two-step process: firstly to each dataset individually; and then treating the results for each dataset as units of information.