Effectiveness and User Perception of an In-Vehicle Voice Warning for Hypoglycemia: Development and Feasibility Trial

Caterina Bérubé   ¹ , PhD ;   Vera Franziska Lehmann   ^{1, 2} , PhD ;   Martin Maritsch   ¹ , PhD ;   Mathias Kraus   ³ , Prof Dr ;   Stefan Feuerriegel   ⁴ , Prof Dr ;   Felix Wortmann   ^{1, 5} , Prof Dr ;   Thomas Züger   ^{1, 2, 6} , MD ;   Christoph Stettler   ^{1, 2} , Prof Dr ;   Elgar Fleisch   ^{1, 5} , Prof Dr ;   A Baki Kocaballi   ⁷ , PhD ;   Tobias Kowatsch   ^{1, 5, 8, 9} , Prof Dr

¹ Centre for Digital Health Interventions, Department of Management, Technology, and Economics, ETH Zurich, Zurich, Switzerland

² Department of Diabetes, Endocrinology, Nutritional Medicine and Metabolism, Bern University Hospital, University of Bern, Bern, Switzerland

³ School of Business, Economics and Society, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nürnberg, Germany

⁴ School of Management, Ludwig-Maximilians-Universität München, Munich, Germany

⁵ Centre for Digital Health Interventions, Institute of Technology Management, University of St Gallen, St Gallen, Switzerland

⁶ Department of Endocrinology and Metabolic Diseases, Kantonsspital Olten, Olten, Switzerland

⁷ School of Computer Science, University of Technology Sydney, Sydney, Australia

⁸ Institute for Implementation Science in Health Care, University of Zurich, Zurich, Switzerland

⁹ School of Medicine, University of St Gallen, St Gallen, Switzerland