2.1. | Study design, setting and participants
This study included individuals of all ages included in the
de-identified 10% random Pharmaceutical Benefits Scheme (PBS) sample
between 2013 and 2022, which collects data from all community
pharmacies, private hospitals and PBS public hospitals. Details about
the structure and composition of the PBS database have been described
elsewhere.5
The Human Research Ethics Committee of the University of Western
Australia reviewed and approved the project (2022/ET000372).