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Evans, TS, Hawkes, RE, Keyworth, C, Newson, LM, Radley, D, Hill, AJ, Matu, J and Ells, LJ (2022) How is the NHS Low-Calorie Diet Programme expected to produce behavioural change to support diabetes remission: An examination of underpinning theory. British Journal of Diabetes, 22 (1). pp. 20-29. ISSN 2397-6233
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Abstract
Background: In 2020, the National Health Service Low-Calorie Diet Programme (NHS-LCD) was launched, piloting a Total Diet Replacement intervention with behaviour change support for people living with Type 2 Diabetes and excess weight. Four independent service providers were commissioned to design and deliver theoretically grounded programmes in localities across England.
Aims: To (1) develop a logic model detailing how the NHS-LCD programme is expected to produce changes in health behaviour, and (2) analyse and evaluate the use of behaviour change theory in providers’ NHS-LCD Programme designs.
Methods: A documentary review was conducted. Information was extracted from the NHS-LCD service specification documents on how the programme expected to produce outcomes. The Theory Coding Scheme was used to analyse theory use in providers’ programme designs documents.
Results: The NHS-LCD logic model included techniques aimed at enhancing positive outcome expectations of programme participation and beliefs about social approval of behaviour change to facilitate programme uptake and behaviour change intentions. This was followed by techniques aimed at shaping knowledge and enhancing the ability of participants to self-regulate their health behaviours, alongside a supportive social environment and person-centred approach.
Application and type of behaviour change theory within providers’ programme designs varied: One provider explicitly linked theory to programme content; two providers linked 63% and 70% of intervention techniques to theory; and there was limited underpinning theory identified in the programme design documents for one of the providers.
Conclusions: The nature and extent of theory use underpinning the NHS-LCD varied greatly amongst service providers, with some but not all intervention techniques explicitly linked to theory. How this relates to outcomes across providers should be evaluated. It is recommended that explicit theory use in programme design and evidence of its implementation becomes a requirement of future NHS commissioning processes.
| Item Type: | Article |
|---|---|
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology T Technology > TX Home economics > TX341 Nutrition. Foods and food supply R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine |
| Divisions: | Psychology (from Sep 2019) |
| Publisher: | ABCD |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 21 Jul 2022 11:46 |
| Last Modified: | 21 Jul 2022 12:00 |
| DOI or ID number: | 10.15277/bjd.2022.341 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/17066 |
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