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Acceptability of a Health Care App With 3 User Interfaces for Older Adults and Their Caregivers: Design and Evaluation Study
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0002-1536-5753
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0001-8561-7963
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.ORCID iD: 0000-0002-8681-9572
2023 (English)In: JMIR Human Factors, E-ISSN 2292-9495, Vol. 10, article id e42145Article in journal (Refereed) Published
Abstract [en]

Background: The older population needs solutions for independent living and reducing the burden on caregivers while maintaining the quality and dignity of life.

Objective: The aim of this study was to design, develop, and evaluate an older adult health care app that supports trained caregivers (ie, formal caregivers) and relatives (ie, informal caregivers). We aimed to identify the factors that affect user acceptance of interfaces depending on the user’s role.

Methods: We designed and developed an app with 3 user interfaces that enable remote sensing of an older adult’s daily activities and behaviors. We conducted user evaluations (N=25) with older adults and their formal and informal caregivers to obtain an overall impression of the health care monitoring app in terms of user experience and usability. In our design study, the participants had firsthand experience with our app, followed by a questionnaire and individual interview to express their opinions on the app. Through the interview, we also identified their views on each user interface and interaction modality to identify the relationship between the user’s role and their acceptance of a particular interface. The questionnaire answers were statistically analyzed, and we coded the interview answers based on keywords related to a participant’s experience, for example, ease of use and usefulness.

Results: We obtained overall positive results in the user evaluation of our app regarding key aspects such as efficiency, perspicuity, dependability, stimulation, and novelty, with an average between 1.74 (SD 1.02) and 2.18 (SD 0.93) on a scale of −3.0 to 3.0. The overall impression of our app was favorable, and we identified that “simple” and “intuitive” were the main factors affecting older adults’ and caregivers’ preference for the user interface and interaction modality. We also identified a positive user acceptance of the use of augmented reality by 91% (10/11) of the older adults to share information with their formal and informal caregivers.

Conclusions: To address the need for a study to evaluate the user experience and user acceptance by older adults as well as both formal and informal caregivers regarding the user interfaces with multimodal interaction in the context of health monitoring, we designed, developed, and conducted user evaluations with the target user groups. Our results through this design study show important implications for designing future health monitoring apps with multiple interaction modalities and intuitive user interfaces in the older adult health care domain.

Place, publisher, year, edition, pages
JMIR Publications , 2023. Vol. 10, article id e42145
Keywords [en]
Internet of Things, health monitoring, older adults, augmented reality, user experience, independent living, design study, mobile phone
National Category
Human Computer Interaction
Research subject
Pervasive Mobile Computing
Identifiers
URN: urn:nbn:se:ltu:diva-95822DOI: 10.2196/42145ISI: 001017203700025PubMedID: 36884275Scopus ID: 2-s2.0-85149873927OAI: oai:DiVA.org:ltu-95822DiVA, id: diva2:1742264
Note

Validerad;2023;Nivå 2;2023-08-10 (joosat);

Funder: Swedish Governmental Agency for Innovation Systems (grant 2017-02807)

Licens fulltext: CC BY License

Available from: 2023-03-09 Created: 2023-03-09 Last updated: 2023-09-05Bibliographically approved

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Kim, Joo ChanSaguna, SagunaÅhlund, Christer

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