Digital behaviour change intervention for weight loss maintenance in adults with obesity: a feasibility pilot study of eCHANGE.
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| Title: | Digital behaviour change intervention for weight loss maintenance in adults with obesity: a feasibility pilot study of eCHANGE. |
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| Authors: | Asbjørnsen, R. A., Børøsund, E., Hjelmesæth, J., Smedsrød, M. L., Ollivier, M., Wentzel, J., Clark, M. M., van Gemert-Pijnen, J. E. W. C., Solberg Nes, L. |
| Source: | Behaviour & Information Technology. Jul2025, Vol. 44 Issue 11, p2577-2595. 19p. |
| Subjects: | Obesity treatment, Weight loss, Mobile apps, Data security, Self-management (Psychology), Persuasion (Rhetoric), Behavior modification, Body mass index, Research funding, Qualitative research, T-test (Statistics), Regulation of body weight, Digital health, Clinical trials, Pilot projects, Questionnaires, Interviewing, Body weight, Statistical sampling, Privacy, Sex distribution, Research evaluation, Behavior, Treatment effectiveness, Self-control, Anxiety, Quantitative research, Tertiary care, Age distribution, Telemedicine, Experience, Surveys, Health behavior, Research methodology, Food habits, Sleep, Marital status, User-centered system design, Sociodemographic factors, Data analysis software, Patients' attitudes, Mental depression, Medical ethics, Educational attainment, Employment, Adults |
| Geographic Terms: | Norway |
| Abstract: | Successful weight maintenance after weight loss is challenging. Digital interventions may facilitate behaviour change to prevent weight regain, however little is known about the acceptance and use of digital interventions in support of weight maintenance. This mixed methods study aims to evaluate user experiences, system use, and preliminary efficacy of eCHANGE, an application based self-management intervention for weight loss maintenance. A 3-month multi-site single group feasibility pilot study was conducted among adults (N = 60) with BMI ≥30 kg/m2, aiming to maintain weight after weight loss of ≥8%. User experiences and system use were examined through validated questionnaires, system use log data, and individual interviews (n = 15). Preliminary efficacy testing included body weight and patient reported outcome measures. Participants rated eCHANGE usability and usefulness as good in support of weight maintenance, with variation in usage. Analysis indicated that higher behavioural engagement scores were statistically significantly associated with frequency of technology usage. Weight loss was maintained by 83% of the participants at 3-months (i.e. defined as weight change of <3% of baseline body weight (kg)). Digital interventions, combining persuasive system design principles and behaviour change techniques, supporting self-regulation and maintenance of health behaviours, have the potential to facilitate weight maintenance after weight loss. Trial Registration: ClinicalTrials.gov NCT04537988 [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | Successful weight maintenance after weight loss is challenging. Digital interventions may facilitate behaviour change to prevent weight regain, however little is known about the acceptance and use of digital interventions in support of weight maintenance. This mixed methods study aims to evaluate user experiences, system use, and preliminary efficacy of eCHANGE, an application based self-management intervention for weight loss maintenance. A 3-month multi-site single group feasibility pilot study was conducted among adults (N = 60) with BMI ≥30 kg/m2, aiming to maintain weight after weight loss of ≥8%. User experiences and system use were examined through validated questionnaires, system use log data, and individual interviews (n = 15). Preliminary efficacy testing included body weight and patient reported outcome measures. Participants rated eCHANGE usability and usefulness as good in support of weight maintenance, with variation in usage. Analysis indicated that higher behavioural engagement scores were statistically significantly associated with frequency of technology usage. Weight loss was maintained by 83% of the participants at 3-months (i.e. defined as weight change of <3% of baseline body weight (kg)). Digital interventions, combining persuasive system design principles and behaviour change techniques, supporting self-regulation and maintenance of health behaviours, have the potential to facilitate weight maintenance after weight loss. Trial Registration: ClinicalTrials.gov NCT04537988 [ABSTRACT FROM AUTHOR] |
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| ISSN: | 0144929X |
| DOI: | 10.1080/0144929X.2024.2399299 |
