App-based intervention
obesity, weight loss
OBESITY
The DiHA “Oviva Direkt für Adipositas” (Oviva AG, Potsdam, Germany) is available for iOS and Android and delivers a 12-week multimodal weight loss intervention program according to the German guidelines for the prevention and treatment of obesity [The mode of action of the app-based program included three main elements: self-management, self-monitoring, and education (Fig. Screenshots of the study app.To mimic a real-world setting, participants in the ADHOC group did not get any further advices besides of using the app for 12 weeks. The ADHOC group received the app intervention in the first 12 weeks and was allowed to use the app for further 12 weeks of follow-up. The app was not uninstalled by the study team.