Funding for this research was provided by:
National Health and Medical Research Council (Senior Principal Research Fellowship)
Received: 12 February 2020
Accepted: 23 September 2020
First Online: 12 October 2020
Ethics approval and consent to participate
: Ethics approval to collect data in Stage 2 of the North West Adelaide Health Study (2004–2006) was obtained from the Human Research Ethics Committee of The Queen Elizabeth Hospital, Adelaide, South Australia and all participants provided written informed consent. There were no administrative approvals required to access data for this study.
: Not applicable.
: The authors declare that they have no competing interests.