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ToolsKwasnicka, Dominika, Luszczynska, Aleksandra, Hagger, Martin S., Quested, Eleanor, Pagoto, Sherry L., Verboon, Peter, Robinson, Suzanne, Januszewicz, Anna, Idziak, Paulina, Palacz, Iga and Naughton, Felix (2020) Theory-based digital intervention to promote weight loss and weight loss maintenance (Choosing Health): protocol for a randomised controlled trial. BMJ Open, 10 (11). e040183. ISSN 2044-6055
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Abstract
INTRODUCTION: Digital behavioural weight loss interventions have the potential to improve public health; however, these interventions are often not adequately tailored to the needs of the participants. This is the protocol for a trial that aims to determine the effectiveness and cost-effectiveness of the Choosing Health programme as a means to promote weight loss and weight loss maintenance among overweight/obese adults. METHODS AND ANALYSIS: The proposed study is a two-group randomised controlled trial with a nested interrupted time series (ITS) within-person design. Participants (n=285) will be randomly assigned to either the Choosing Health digital intervention or a control group. For intervention participants, ecological momentary assessment will be used to identify behavioural determinants for each individual in order to tailor evidence-based behaviour change techniques and intervention content.Control group participants will receive non-tailored weight loss advice via e-book and generic emails. The primary outcome is the mean difference in weight loss between groups at 6 months controlled for baseline. Secondary outcomes include blood pressure and percentage of body fat; self-reported measures of physical activity, sitting time, quality of life, cost and theory-derived correlates of weight loss. Secondary outcomes will be measured at baseline, 3, 6 and 12 months. The primary outcome for ITS will be daily weight loss plan adherence. Data will be analysed using regression and time series analyses. ETHICS AND DISSEMINATION: Ethics approval was granted by Faculty of Psychology, SWPS University of Social Sciences and Humanities, Wroclaw, Poland, approval number 03/P/12/2019. The project results will be disseminated through structured strategy implemented in collaboration with the Ministry of Health. TRIAL REGISTRATION DETAILS: This trial was registered with www.clinicaltrials.gov; registration number NCT04291482.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | nutrition & dietetics,preventive medicine,public health,medicine(all),sdg 3 - good health and well-being ,/dk/atira/pure/subjectarea/asjc/2700 |
| Faculty \ School: | Faculty of Medicine and Health Sciences > School of Health Sciences |
| UEA Research Groups: | Faculty of Medicine and Health Sciences > Research Centres > Norwich Institute for Healthy Aging Faculty of Medicine and Health Sciences > Research Groups > Behavioural and Implementation Science Faculty of Medicine and Health Sciences > Research Groups > Health Promotion Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 03 Dec 2020 00:49 |
| Last Modified: | 19 Oct 2023 02:51 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/77881 |
| DOI: | 10.1136/bmjopen-2020-040183 |
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