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Article History

Received: 6 July 2020

Accepted: 19 November 2020

First Online: 25 November 2020

Ethics approval and consent to participate

: Ethical approval for the study was granted by the NSW Population & Health Services Research Ethics Committee (HREC/15/CIPHS/18) and the Aboriginal Health and Medical Research Council of NSW Ethics Committee (1090/15). Administrative permission to use the NSW APDC and the NSW RBDM was granted by the data custodians at the NSW Ministry of Health. The Centre for Health Record Linkage, who maintain robust data governance, provided the de-identified data. In view of the State Privacy Commissioner’s Guidelines for Research and the Health Records and Information Privacy Act 2002 (NSW), both Ethics Committees granted a waiver of the usual requirement for the consent of the individual to the use of their health information for research which meant de-identified linked data could be used without consent.

: Not applicable.

: The authors declare that they have no competing interests.