University of Oulu

Agyei, E. E. Y., Oinas-Kukkonen, H., Nyman, V., Virkkula, T., Oikarinen, N., Merikallio, H., Savolainen, M., & Hukkanen, J. (2023). Assessing interventional components in a weight loss app. Proceedings of the Annual Hawaii International Conference on System Sciences, 2023-January, 2953-2962.

Assessing interventional components in a weight loss app

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Author: Agyei, Eunice1; Oinas-Kukkonen, Harri1; Nyman, Ville2;
Organizations: 1Faculty of ITEE, University of Oulu, Finland
2Onnikka Health, Finland
3Faculty of Medicine, University of Oulu, Finland
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 0.6 MB)
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Language: English
Published: IEEE Computer Society, 2023
Publish Date: 2023-11-15


Many mHealth interventions for health behavior change are considered effective for improving health outcomes. However, there is a limited understanding of the role of the components in an intervention on its effectiveness. Insights into intervention components such as content and software features are needed to design efficient and effective interventions. In this study, we conducted an exploratory analysis of objective data from the usage of a weight management app to understand the role of intervention components in weight loss. We identified a positive correlation between weight loss and the use of the intervention. We also found differences in the app feature use among those who lost weight. To lose weight, users needed to comply with the intervention by completing a combination of tasks. They needed to complete 70% of some tasks and up to a maximum of 30% of other tasks. In the future, we hope to use other types of collected data (logged and survey data) to gain more nuanced insights into how interventions are used. With the help of data analytics, we may find optimal paths of use and determine a satisfactory level of compliance to achieve desired goals. This can deepen our understanding of what works in an intervention.

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Series: Proceedings of the Annual Hawaii International Conference on System Sciences
ISSN: 1530-1605
ISSN-L: 1530-1605
ISBN: 978-0-9981331-6-4
Pages: 2953 - 2962
Host publication: Proceedings of the 56th Annual Hawaii International Conference on System Sciences, 2023, January 3-6, 2023
Host publication editor: Bui, Tung X.
Conference: Hawaii International Conference on System Sciences
Type of Publication: A4 Article in conference proceedings
Field of Science: 113 Computer and information sciences
217 Medical engineering
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