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Design and evaluation of a just-in-time adaptive intervention to promote physical activity in obese individuals

Westenenk, Coen (2023) Design and evaluation of a just-in-time adaptive intervention to promote physical activity in obese individuals.

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Abstract:Obesity is a pressing public health concern due to its rising prevalence and association with a range of physical and mental conditions. Increasing physical activity (PA) is a commonly used strategy in both prevention and treatment of obesity. The combined lifestyle intervention (CLI) aims to promote sustainable behavior change in several domains, including PA. However, the CLI requires intensive coaching, which impedes large-scale implementation. mHealth is identified as a potential approach to support this. A promising mHealth intervention design is the just-in-time adaptive intervention (JITAI). The aim of this study was to systematically design and evaluate a JITAI to promote PA behaviors in obese individuals. The evaluation results indicate that implementing activity prompts in a JITAI can effectively enhance daily step count among obese individuals. The findings indicate that sending a single activity prompt in the morning yields the most pronounced impact on promoting PA behaviors compared to the absence of activity prompts. However, these findings should be interpreted cautiously as study duration and sample size were limited. Follow-up research is needed to draw more robust conclusions on the effectiveness and to further develop the JITAI.
Item Type:Essay (Master)
Clients:
Ancora Health, Amsterdam, Netherlands
Faculty:TNW: Science and Technology
Subject:70 social sciences in general
Programme:Health Sciences MSc (66851)
Link to this item:https://purl.utwente.nl/essays/95194
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