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Co-Designing a Mobile Health Application to Promote Positive Body Image Among Athletes: A Mixed Method Study
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Biomedical Engineering and Health Systems.
2025 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Co-design av en mobilapplikation för att främja positiv kroppsbild hos atleter: En blandad metodstudie (Swedish)
Abstract [en]

Athletes face unique challenges related to body image, shaped by sport-specific demands and sociocultural norms. Mobile health applications have shown potential in promoting positive body image, but existing solutions are often designed for the general population, and sustaining user engagement in these apps remains a challenge. This study aimed to design and evaluate a mobile application to promote a positive body image, specifically tailored for athletes, incorporating a large language model (LLM)-based AI agent, TrueBalance, designed in previous research. A user-centered co-design process was employed, including a literature review, prototype development, a co-design workshop with four athletes, and final testing of the completed application. Participants favored features that support reflection, autonomy, and emotional well-being, and expressed skepticism toward point systems and competitive elements. As a result, features such as journaling, daily challenges, and a simplified interface were prioritized. Final usability testing indicated that the app was perceived as easy to use and supportive during emotionally challenging periods. The study highlights the importance of user-specific and user-centered design in digital interventions. Favoring a non-human appearance for the avatar representing the conversational agent, along with non-competitive and personalized features, users indicated that such design choices may improve engagement, support autonomy, and reduce social pressure in mental health tools for athletes. 

Abstract [sv]

Atleter upplever unika utmaningar relaterade till kroppsbild, kopplade till idrottsspecifika krav och sociokulturella normer. Mobila hälsoappar har potential att främja en positiv kroppsbild, men befintliga lösningar är ofta utformade för den generella befolkningen och att behålla användarengagemang över tid är fortsatt en utmaning. Denna studie syftade till att designa och utvärdera en mobilapplikation för att främja en positiv kroppsbild, specifikt utformad för atleter, med integration av den LLMbaserade AI-agenten TrueBalance. En användarcentrerad co-designprocess tillämpades och inkluderade en litteraturöversikt, prototyputveckling, en codesignworkshop med fyra atleter samt utveckling och slutlig testning av den färdiga applikationen. Deltagarna föredrog funktioner som stödjer reflektion, autonomi och emotionellt välbefinnande, och uttryckte skepsis mot poängsystem och tävlingsinriktade inslag. Därför prioriterades funktioner såsom dagboksskrivande, dagliga utmaningar och ett förenklat gränssnitt. Den avslutande testningen visade att appen upplevdes som lättanvänd och stödjande under emotionellt utmanande perioder. Studien betonar värdet av användarspecifik och användarcentrerad design i digitala interventioner. Preferensen för icke-konkurrensinriktade, personaliserade funktioner samt för ett icke-mänskligt utseende på samtalsagenten tyder på att sådana verktyg kan öka engagemanget, stärka autonomin och minska social press i idrottsrelaterade applikationer för mental hälsa.

Place, publisher, year, edition, pages
2025. , p. 76
Series
TRITA-CBH-GRU ; 2025:037
Keywords [en]
Body image, athletes, mHealth, conversational AI, co-design, user engagement
Keywords [sv]
Kroppsbild, atleter, mobil hälsa, konverserande AI, co-design, användarengagemang
National Category
Medical and Health Sciences Computer and Information Sciences Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:kth:diva-365083OAI: oai:DiVA.org:kth-365083DiVA, id: diva2:1971908
Educational program
Master of Science - Sports Technology
Supervisors
Examiners
Available from: 2025-06-18 Created: 2025-06-18 Last updated: 2025-06-18Bibliographically approved

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Co-Designing a Mobile Health Application to Promote Positive Body Image Among Athletes: A Mixed Method Study(1585 kB)210 downloads
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Citation style
  • apa
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