Optimising a digitally delivered behavioural weight loss programme: study protocol for a factorial cluster randomised controlled trial.

Gina M Wren¹, Dimitrios A Koutoukidis², Jadine Scragg², Grace Preston³, Marianne Hennessy³, Daisy Estephane³, Michael Whitman³, Susan A Jebb^2,4

¹Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK. gina.wren@phc.ox.ac.uk.

²Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.

³Second Nature, London, UK.

⁴National Institute of Health Research Oxford Biomedical Research Centre, Oxford, UK.

PubMed PMC DOI PDF

Abstract

BACKGROUND: Digitally delivered weight loss programmes can provide a convenient, potentially cheaper, and scalable treatment option for people who may need to lose weight. However, outcomes are often inferior to in-person interventions in the long-term. This trial will use principles from the Multiphase Optimisation Strategy (MOST) framework to test whether it can enhance the effectiveness of a co…

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