AUTHOR=Mattli Renato , Weber Manuel , Raab Anja Maria , Haas Karin , Vorster Albrecht , Schmitt Kai-Uwe 

TITLE=Digital Multidomain Lifestyle Intervention for Community-Dwelling Older Adults: A Mixed Methods Evaluation

JOURNAL=International Journal of Public Health

VOLUME=Volume 70 - 2025

YEAR=2025

URL=https://www.ssph-journal.org/journals/international-journal-of-public-health/articles/10.3389/ijph.2025.1608014

DOI=10.3389/ijph.2025.1608014

ISSN=1661-8564

ABSTRACT=Objectives: As life expectancy rises at a faster rate than healthy life expectancy, there is a global need for scalable and cost-effective interventions that enhance the health-related quality of life (HRQoL) of older adults. This study aimed to examine the use and usability of a 12-week digital multidomain lifestyle intervention in community-dwelling older adults aged 65 years and above.
Methods: The intervention was delivered through a mobile application (app) and focused on physical activity, nutrition, sleep and mindfulness/relaxation. We used a cross-over interventional study design and a mixed methods sequential explanatory approach. We delivered online questionnaires before and after the intervention, collected app usage data and conducted semi-structured interviews.
Results: One hundred eight older adults participated in the study. Fifty-six percent of participants completed the twelve weeks intervention. Both overall satisfaction and the app's usability received high ratings. Important dimensions of HRQoL showed a statistically significant change from pre- to post-intervention.
Conclusions: A digital multidomain lifestyle intervention can be well accepted and perceived by community-dwelling older adults and has the potential to improve HRQoL.