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Digital behaviour change intervention for weight loss maintenance in adults with obesity: a feasibility pilot study of eCHANGE

Author

Listed:
  • R. A. Asbjørnsen
  • E. Børøsund
  • J. Hjelmesæth
  • M. L. Smedsrød
  • M. Ollivier
  • J. Wentzel
  • M. M. Clark
  • J. E. W. C. van Gemert-Pijnen
  • L. Solberg Nes

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

Suggested Citation

  • R. A. Asbjørnsen & E. Børøsund & J. Hjelmesæth & M. L. Smedsrød & M. Ollivier & J. Wentzel & M. M. Clark & J. E. W. C. van Gemert-Pijnen & L. Solberg Nes, 2025. "Digital behaviour change intervention for weight loss maintenance in adults with obesity: a feasibility pilot study of eCHANGE," Behaviour and Information Technology, Taylor & Francis Journals, vol. 44(11), pages 2577-2595, July.
    • Handle: RePEc:taf:tbitxx:v:44:y:2025:i:11:p:2577-2595
    DOI: 10.1080/0144929X.2024.2399299
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