Registry of Senior Australians (ROSA): integrating cross-sectoral information to evaluate quality and safety of care provided to older people.

Purpose: The Registry of Senior Australians (ROSA) was established to evaluate aged care experiences in Australia. In this manuscript, we describe the ROSA framework, the two ROSA cohorts, highlights from research findings, and future plans.

Participants: The South Australian (August 2018-June 2020) enrolled 26 605 participants, of which 59.

Comorbidity of chronic disease and potential treatment conflicts in older people dispensed antidepressants.

Objectives: the study aimed to examine the prevalence of comorbidity, the prescribing of potentially inappropriate medications and treatment conflicts in a large sample of older people who have been dispensed an antidepressant medicine.

Methods: a cross-sectional study of administrative claims data from the Department of Veterans' Affairs, Australia, 1 April-31 July 2007, of veterans aged > or =65 years was conducted. Comorbidities determined using the pharmaceutical-based comorbidity index, Rx-Risk-V.