Developing and Evaluating JIApp: Acceptability and Usability of a Smartphone App System to Improve Self-Management in Young People With Juvenile Idiopathic Arthritis

Ran A Cai   ¹ , BSc, PhD ;   Dominik Beste   ² , MSc ;   Hema Chaplin   ¹ , BSc ;   Socrates Varakliotis   ² , PhD ;   Linda Suffield   ¹ , BSc ;   Francesca Josephs   ¹ , MSc ;   Debajit Sen   ^{1, 3} , MD ;   Lucy R Wedderburn   ^{1, 4} , MD, PhD ;   Yiannakis Ioannou   ^{1, 3} , MD, PhD ;   Stephen Hailes   ² , PhD ;   Despina Eleftheriou   ^{1, 4} , MD, PhD

¹ Arthritis Research UK Centre for Adolescent Rheumatology, University College London, London, United Kingdom

² Department of Computer Science, University College London, London, United Kingdom

³ University College London Hospitals NHS Foundation Trust, Adolescent Rheumatology, London, United Kingdom

⁴ UCL Great Ormond Street Institute of Child Health, Infection, Immunity, Inflammation, and Physiological Medicine, London, United Kingdom