Developing a realist informed framework for cultural adaptation of lifestyle interventions for the prevention of type 2 diabetes in South Asian populations in Europe

Davidson, E. M., Krasuska, M., Jenum, A. K., Gill, J. M.R. , Beune, E., Stronks, K., van Valkengoed, I. G.M., Diaz, E. and Sheikh, A. (2021) Developing a realist informed framework for cultural adaptation of lifestyle interventions for the prevention of type 2 diabetes in South Asian populations in Europe. Diabetic Medicine, 38(11), e14584. (doi: 10.1111/dme.14584) (PMID:33838051)

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Abstract

Aims: Selected lifestyle interventions proven effective for White-European populations have been culturally adapted for South Asian populations living in Europe, who are at higher risk of type 2 diabetes. However, a limited theoretical basis underpins how cultural adaptations are believed to augment intervention effectiveness. We undertook a realist review to synthesise existing literature on culturally adapted type 2 diabetes prevention interventions, to develop a framework that shows ‘how’ cultural adaptation works, for ‘whom’ and in ‘what contexts’. Methods: We followed the stepped methodological approach of realist review. Our work concluded a European-wide project (EuroDHYAN), and core studies were identified from the preceding EuroDHYAN reviews. Data were extracted, coded into themes and synthesised to create ‘Context–Mechanism–Outcome’ configurations and to generate a refined explanatory framework. Results: We identified eight core intervention papers. From this evidence, and supporting literature, we examined the ‘Team’ domain of cultural adaptation and identified a mechanism of shared cultural identity which we theorised as contributing to strong team-participant relationships. We also identified four key contexts which influenced intervention outcomes: ‘research setting’ and ‘heterogeneous populations’ (intrinsic to the intervention) and ‘broader environment’ and ‘socio-cultural stress’ (extrinsic barriers). Conclusions: This work instigates research into the mechanisms of cultural adaptation which, if pursued, will allow a more nuanced understanding of how to apply adaptations, and for whom. In practice we recommend greater consideration of heterogeneous and intersecting population characteristics; how intervention design can safeguard sustainability; and how the four key contexts identified influence how, and whether, these interventions work.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gill, Professor Jason
Authors: Davidson, E. M., Krasuska, M., Jenum, A. K., Gill, J. M.R., Beune, E., Stronks, K., van Valkengoed, I. G.M., Diaz, E., and Sheikh, A.
College/School:College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health
Journal Name:Diabetic Medicine
Publisher:Wiley
ISSN:0742-3071
ISSN (Online):1464-5491
Published Online:10 April 2021
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Diabetic Medicine 38(11): e14584
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
171910InPreSDJason GillEuropean Commission (EC)664609Institute of Cardiovascular & Medical Sciences