<p>Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme</p>

Najma Siddiqi; Sarah Alderson; Ramzi Ajjan; Abisola Balogun-Katung; Jan R. Boehnke; Jennifer Brown; Claire Carswell; Peter Coventry; Patrick Doherty; Tim Doran; Keith Double; Imogen Featherstone; Simon Gilbody; Michelle Hadjiconstantinou; Catherine Hewitt; Richard Holt; Rowena Jacobs; Vicki Johnson; Ian Kellar; Jinshuo Li; Laura Mandefield; Grace O'Carroll; David Osborn; Steve Parrott; Charlie Peck; Cathie Porter; Agela Ross; Gregor Russell; Abayomi Sanusi; Lucy Sheehan; David Shiers; Johanna Taylor; Simon Walker; Judith Watson; Qian Zhao

doi:10.3310/nihropenres.1115336.1

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Siddiqi N, Alderson S, Ajjan R et al. Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme [version 1; not peer reviewed]. NIHR Open Res 2026, 6:102 (document) (https://doi.org/10.3310/nihropenres.1115336.1)

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Summary

Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme

Najma Siddiqi¹, Sarah Alderson², Ramzi Ajjan³, Abisola Balogun-Katung⁴, Jan R. Boehnke⁵, Jennifer Brown⁶, Claire Carswell⁷, Peter Coventry⁸, Patrick Doherty⁷, Tim Doran⁷, Keith Double⁹, Imogen Featherstone⁷, Simon Gilbody¹⁰, Michelle Hadjiconstantinou¹¹, Catherine Hewitt⁷, Richard Holt¹², Rowena Jacobs¹³, Vicki Johnson¹⁴, Ian Kellar¹⁵, Jinshuo Li⁷, Laura Mandefield⁷, Grace O'Carroll⁷, David Osborn¹⁶, Steve Parrott⁷, Charlie Peck ¹⁷, Cathie Porter¹⁷, Agela Ross¹⁸, Gregor Russell¹⁹, Abayomi Sanusi¹⁰, Lucy Sheehan¹⁷, David Shiers²⁰, Johanna Taylor⁷, Simon Walker¹³, Judith Watson¹⁷, Qian Zhao⁷

Published 21 Jul 2026 (https://doi.org/10.3310/nihropenres.1115336.1)

Author Affiliations

¹ University of York, York, England, UK
² School of Medicine, University of Leeds, Leeds, UK
³ CPSD, Leeds Institute of Cardiovascular & Metabolic Medicine, Leeds, UK
⁴ Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
⁵ School of Health Sciences, University of Dundee, Dundee, UK
⁶ School of Medicine and Population Health, University of Sheffield, Sheffield, UK
⁷ Department of Health Sciences, University of York, York, UK
⁸ Manchester Metropolitan University, Manchester, UK
⁹ PCEIT, Bradford District Care Trust, Bradford, UK
¹⁰ University of York, York, UK
¹¹ Diabetes Research Centre, University of Leicester, Leicester, UK
¹² Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK
¹³ Centre for Health Economics, University of York, York, UK
¹⁴ Leicester Diabetes Centre, University Hospitals of Leicester NHS Trust, Leicester, UK
¹⁵ School of Psychology, The University of Sheffield, Sheffield, UK
¹⁶ Division of Psychiatry, University College London, London, UK
¹⁷ Department of Health Sciences, York Trials Unit, University of York, York, UK
¹⁸ Bradford District Care NHS Foundation Trust, Bradford, UK
¹⁹ Research and Knowledge Service, Bradford District Care NHS Foundation Trust, Bradford, UK
²⁰ Psychosis Research Unit, Greater Manchester Mental Health NHS FT, Manchester, UK

Copyright © 2026 Siddiqi N et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Published 21 Jul 2026

Summary

Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme
[version 1; not peer reviewed]

Author Affiliations

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RP-PG-1016-20003

Competing Interests

No competing interests were disclosed

Keywords

Severe Mental Illness, Type 2 Diabetes, Multimorbidity, Self-management, Behaviour Change, Randomised Controlled Trial, Co-design, Economic Modelling

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Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme

Summary

Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme
[version 1; not peer reviewed]

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Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme

Summary Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme [version 1; not peer reviewed]

Terms relating to user comments

Are you an NIHR-funded researcher?

Thank you!

Summary

Developing and evaluating a diabetes self-management intervention for people with severe mental illness: The DIAMONDS programme
[version 1; not peer reviewed]