Process evaluation of a co-designed best practice model of dementia care in Aboriginal and Torres Strait Islander primary care: The Let's CHAT (Community Health Approaches To) Dementia project
Bradley, Kate, Hughson, Jo anne, Blackberry, Irene, Poulos, Lauren, Sullivan, Kylie, Paine, Naomi, Malay, Roslyn, Cadet-James, Diane, Douglas, Harold, Allen, Bridget, Martin-Giles, Bonnie, Fulford, Kate, Rind, Sadia, Allan, Wendy, Charles, Janaya, Ciaccia, Juliette, Radford, Kylie, Smith, Robyn, and LoGiudice, Dina (2025) Process evaluation of a co-designed best practice model of dementia care in Aboriginal and Torres Strait Islander primary care: The Let's CHAT (Community Health Approaches To) Dementia project. SSM - Mental Health, 7. 100426.
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Abstract
Optimising brain health for older Aboriginal and Torres Strait Islander peoples is important given the high rates of cognitive impairment and dementia (CI/D) in this population. To achieve this, effective models of care for the primary care setting are needed. This paper reports on the process evaluation of a stepped-wedge cluster randomised controlled trial conducted with 12 Aboriginal Community Controlled Health Services (ACCHSs) across four states of Australia. The study implemented a culturally responsive, co-designed best-practice model of CI/D care for Aboriginal and Torres Strait Islander peoples. Utilising the integrated-Promoting Action on Research Implementation in Health Services (i-PARIHS) Framework, the process evaluation aimed to identify the components of a “successful implementation” for this type of intervention. Qualitative and quantitative data collected included interviews, workshop evaluation forms, implementation checklists, and researcher observational notes. Fidelity to the intervention (scored as low, medium or high) was medium overall. Dose delivered across ACCHSs and intervention activities varied markedly. The project's reach was high and ACCHS staff demonstrated high engagement. Major themes derived from the qualitative data were: 1. ‘Aboriginal health and diverse environmental ecosystems’ 2. ‘Reciprocal relationships built on collaboration and cultural responsiveness’ 3. ‘Community knowledges and understandings of memory and thinking problems’. Despite encountering several challenges, the intervention improved management of dementia, and had high uptake and acceptability among ACCHS staff. Identified factors affecting the intervention, notably related to context, will inform future initiatives to improve dementia care in primary care settings.
| Item ID: | 88029 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 2666-5603 |
| Keywords: | Aboriginal and torres strait islander peoples, Co-design, dementia, i-PARIHS, Implementation, Primary care, Process evaluation |
| Copyright Information: | © 2025 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
| Funders: | National Health and Medical Research Council (NHMRC) |
| Projects and Grants: | NHMRC 1137425, NHMRC 1150337 |
| Date Deposited: | 18 Mar 2026 06:56 |
| FoR Codes: | 32 BIOMEDICAL AND CLINICAL SCIENCES > 3209 Neurosciences > 320905 Neurology and neuromuscular diseases @ 50% 45 INDIGENOUS STUDIES > 4504 Aboriginal and Torres Strait Islander health and wellbeing > 450402 Aboriginal and Torres Strait Islander biomedical and clinical sciences @ 50% |
| SEO Codes: | 21 INDIGENOUS > 2103 Aboriginal and Torres Strait Islander health > 210302 Aboriginal and Torres Strait Islander health status and outcomes @ 100% |
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