Process evaluation of a cluster-randomised controlled trial of multi-component weight management programme in adults with intellectual disabilities and obesity

Harris, L., Hankey, C., Jones, N., Murray, H., Pert, C., Tobin, J., Boyle, S., Shearer, R. and Melville, C.A. (2019) Process evaluation of a cluster-randomised controlled trial of multi-component weight management programme in adults with intellectual disabilities and obesity. Journal of Intellectual Disability Research, 63(1), pp. 49-63. (doi: 10.1111/jir.12563) (PMID:30417575)

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Abstract

Background: Providing effective weight management to adults with intellectual disabilities is necessary to challenge the high rates of obesity. The aim of this process evaluation was to explore the feasibility of conducting a full‐scale clinical trial of the TAKE 5 multi‐component weight management programme. Methods: The study was a 12‐month pilot cluster‐randomised controlled trial. Adults with intellectual disabilities and obesity were randomised to either TAKE 5, which included an energy deficit diet (EDD) or Waist Winners Too, based on health education principles. A mixed‐methods process evaluation was conducted focussing on the reach, recruitment, fidelity, implementation, dose (delivered/received) and context. Results: The study successfully recruited adults with intellectual disabilities. Both weight management programmes were delivered with high fidelity and implemented as intended. Only one weight management programme, TAKE 5, demonstrated potential efficacy in reducing body weight and body composition. The effectiveness was largely attributed to the EDD and social support from carers. Conclusions: The extensive process evaluation illustrated that a full‐scale trial of a multi‐component programme including an EDD is feasible and an acceptable approach to weight management for adults with intellectual disabilities and obesity.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Pert, Dr Carol and Jones, Ms Nathalie and Harris, Dr Leanne and Murray, Mrs Heather and Hankey, Dr Catherine and Melville, Professor Craig
Authors: Harris, L., Hankey, C., Jones, N., Murray, H., Pert, C., Tobin, J., Boyle, S., Shearer, R., and Melville, C.A.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Mental Health and Wellbeing
College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Robertson Centre
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Journal of Intellectual Disability Research
Publisher:Wiley
ISSN:0964-2633
ISSN (Online):1365-2788
Published Online:11 November 2018
Copyright Holders:Copyright © 2018 MENCAP and International Association of the Scientific Study of Intellectual and Developmental Disabilities and John Wiley & Sons Ltd
First Published:First published in Journal of Intellectual Disability Research 63(1): 49-63
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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