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Am J Alzheimers Dis Other Demen. 2019 May 5:1533317519845725. doi: 10.1177/1533317519845725. [Epub ahead of print]

The Implementation of Dementia Care Mapping in a Randomized Controlled Trial in Long-Term Care: Results of a Process Evaluation.

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1 Centre for Dementia Research, Leeds Beckett University, Leeds, United Kingdom.
2 Clinical Trials Research Unit, University of Leeds, Leeds, United Kingdom.
3 Leeds Institute of Health Sciences, University of Leeds, Leeds, United Kingdom.
4 Wolfson Centre for Age Related Diseases, Kings College London, London, United Kingdom.
5 Centre for Healthy Brain Ageing, University of New South Wales, Sydney, New South Wales, Australia.


This study explored intervention implementation within a pragmatic, cluster randomized controlled trial of Dementia Care Mapping™ (DCM) in UK care homes. DCM is a practice development tool comprised of a 5 component cycle (staff briefing, mapping observations, data analysis and reporting, staff feedback, and action planning) that supports delivery of person-centered care. Two staff from the 31 intervention care homes were trained in DCM and asked to deliver 3 cycles over a 15-month period, supported by a DCM expert during cycle 1. Implementation data were collected after each mapping cycle. There was considerable variability in DCM implementation fidelity, dose, and reach. Not all homes trained 2 mappers on schedule, and some found it difficult to retain mappers. Only 26% of homes completed more than 1 cycle. Future DCM trials in care home settings should consider additional methods to support intervention completion including intervention delivery being conducted with ongoing external support.


care homes; dementia; intervention fidelity; process evaluation; psychosocial interventions


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