Received: 21 July 2019
Accepted: 12 October 2019
First Online: 21 October 2019
Ethics approval and consent to participate
: Ethical approval for the 45 and Up Study was provided by the University of New South Wales Human Research Ethics Committee and specifically for this analysis by the NSW Population and Health Services Research Ethics Committee. All 45 and Up Study participants provided written consent for researchers to access their health-related records in routinely collected datasets for approved studies.
: Not applicable.
: The authors declare that they have no competing interests.