|Ever reported ||Recorded as being Aboriginal at least once in any of the data sources.|
|Most recent record ||Recorded as being Aboriginal in the most recent record in any of the data sources.|
|Weight of evidence ||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 ||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.|