Assessment of App Quality, User Experience, and Willingness to Recommend a Digital Therapeutic for Patients With Axial Spondyloarthritis: Subanalysis of a 12-Week Pretest-Posttest Intervention Study

Hannah Labinsky   ¹ , MD ;   Amelie Wuest   ² , MS ;   Patricia Possler   ² , MS ;   Tobias Heusinger   ² , MD ;   Maxime le Maire   ² , MD ;   Anna Fleischer   ³ , MSc, MD ;   Karsten Sebastian Luetkens   ⁴ , MD ;   Michael Gernert   ¹ , MD ;   Ottar Gadeholt   ¹ , MD ;   Robert Leppich   ⁵ , MSc ;   Astrid Schmieder   ⁶ , MD ;   Ludwig Hammel   ⁷ , MR ;   Billy Sperlich   ⁸ , MSc ;   Matthias Fröhlich   ¹ , MD ;   Marc Schmalzing   ¹ , MD ;   Patrick-Pascal Strunz   ¹ , MD

¹ University Hospital Würzburg, Department of Internal Medicine 2, Rheumatology/Clinical Immunology, Wuerzburg, Bavaria, Germany

² University of Würzburg, Medical Faculty, Wuerzburg, Germany

³ University Hospital Würzburg, Department of Internal Medicine 2, Psychosomatic Medicine, Wuerzburg, Germany

⁴ University Hospital Würzburg, Department of Diagnostic and Interventional Radiology, Wuerzburg, Germany

⁵ Chair of Software Engineering (Informatik II), Department of Computer Science, University of Würzburg, Wuerzburg, Germany

⁶ University Hospital Würzburg, Department of Dermatology, Venereology, and Allergology, Wuerzburg, Germany

⁷ Deutsche Vereinigung Morbus Bechterew e. V., Schweinfurt, Germany

⁸ Integrative and Experimental Exercise Science and Training, Institute for Sports Science, University of Wuerzburg, Wuerzburg, Germany