Acknowledgements:
We are grateful to CCOPMM for providing access to the data used for this project and for the assistance of the staff at Safer Care Victoria. The conclusions, findings, opinions and views or recommendations expressed in this paper are strictly those of the author(s). They do not necessarily reflect those of CCOPMM.”
Disclosure of interests: None to declare.
Contribution to authorship: AL, JU and ST devised the study. JU, AL and NP obtained ethical approval and the data used for the study. AL and RJH devised the analysis plan, performed the analyses and wrote the Methods and Results sections of the manuscript. JU and AL wrote the manuscript. ST, RH and SW provided oversight and review of the analysis, results and manuscript on multiple occasions prior to submission for publication.
Details of ethical approval: Ethical approval was obtained from the Mercy Hospital for Women Human Research Ethics Committee (#2019-01). Because this was a retrospective study using archived de-identified data only, obtaining individual patient consent was not considered to be necessary by the ethical review board.
Funding: Doctors Lindquist, Hastie, and Tong receive salary support from the National Health and Medical Research Council. Dr Prichard receives a scholarship from the National Health and Medical Research Council.