Understanding Usage of a Hybrid Website and Smartphone App for Weight Management: A Mixed-Methods Study

Leanne G Morrison   ¹ , PhD ;   Charlie Hargood   ² , PhD ;   Sharon Xiaowen Lin   ³ , PhD ;   Laura Dennison   ¹ , PhD ;   Judith Joseph   ¹ , PhD ;   Stephanie Hughes   ¹ , MSc ;   Danius T Michaelides   ² , PhD ;   Derek Johnston   ⁴ , PhD ;   Marie Johnston   ⁵ , PhD ;   Susan Michie   ⁶ , DPhil ;   Paul Little   ⁷ , FMedSci ;   Peter WF Smith   ³ , PhD ;   Mark J Weal   ² , PhD ;   Lucy Yardley   ¹ , PhD

¹ Centre for Applications of Health Psychology, Academic Unit of Psychology, University of Southampton, Southampton, United Kingdom

² Electronics and Computer Science, University of Southampton, Southampton, United Kingdom

³ Southampton Statistical Sciences Research Institute, University of Southampton, Southampton, United Kingdom

⁴ School of Psychology, University of Aberdeen, Aberdeen, United Kingdom

⁵ Institute of Applied Health Sciences, College of Life Sciences and Medicine, University of Aberdeen, Aberdeen, United Kingdom

⁶ Research Department of Clinical, Educational and Health Psychology, University College London, London, United Kingdom

⁷ Primary Care and Population Sciences, University of Southampton, Southampton, United Kingdom