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Peer-Reviewed Publication
JMIR Form Res2026;10e88576.August 24, 2026Journal Article

Long-Term Cost and Health Impact of a Digital Obesity Intervention in Germany: Economic Modeling Study.

Evelyn Walter1, Marisa Kaup2, Annina Eva Althaus3,4, Leonard Fehring5,6
1Institute for Pharmaeconomic Research, Vienna, Vienna, Austria.
2Oviva AG, Berlin, Germany.
3Ovivamed, Oviva AG, Zürich, Switzerland.
4Institute of Social Medicine and Epidemiology, Brandenburg Medical School Theodor Fontane, Brandenburg an der Havel, Germany.
5Health Care Informatics, Faculty of Health, School of Medicine, Witten/Herdecke University, Witten, Germany.
6Medizinische Klinik 2, Helios University Hospital Wuppertal, Wuppertal, Germany.
PubMed DOI

Abstract

BACKGROUND: Obesity imposes a substantial economic burden, accounting for an estimated 10% of total health care expenditures in Germany. Digital health apps (DHAs) have demonstrated effectiveness in supporting weight management among individuals with obesity; however, evidence regarding their long-term economic impact remains limited. OBJECTIVE: This study aimed to evaluate the long-term cost-eff…

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