Comparison of a Mobile Health Electronic Visual Analog Scale App With a Traditional Paper Visual Analog Scale for Pain Evaluation: Cross-Sectional Observational Study

Alexandra Turnbull   ^{1 *} , BSc, Hons ;   Dean Sculley   ^{2 *} , BSc, Hons, MSc, PhD ;   Carles Escalona-Marfil   ^{3, 4 *} , BSc, Hons, MSc, PhD ;   Lluís Riu-Gispert   ^{3 *} , BSc ;   Jorge Ruiz-Moreno   ^{5 *} , BSc, MA ;   Xavier Gironès   ^{3 *} , BSc, Hons, PhD ;   Andrea Coda   ^{1, 6 *} , BSc, Hons, PhD

¹ School of Health Sciences, Faculty of Health and Medicine, The University of Newcastle, Ourimbah, Australia

² School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, The University of Newcastle, Ourimbah, Australia

³ Facultat de Ciències de la Salut de Manresa, Universitat de Vic-Universitat Central de Catalunya, Manresa, Spain

⁴ Department of Physical Therapy, Escola Universertària de la Salut I l’Esport (EUSES), University of Girona, Salt, Girona, Spain

⁵ MIXESTAT SL, Barcelona, Spain

⁶ Priority Research Centre Health Behaviour, Hunter Medical Research Institute, Newcastle, Australia

*all authors contributed equally