Effects on Engagement and Health Literacy Outcomes of Web-Based Materials Promoting Physical Activity in People With Diabetes: An International Randomized Trial

Ingrid Muller   ¹ , PhD ;   Alison Rowsell   ^{1, 2} , MPhil ;   Beth Stuart   ³ , PhD ;   Victoria Hayter   ¹ , BSc ;   Paul Little   ³ , FMedsci, FRCGP ;   Kristin Ganahl   ⁴ , MA ;   Gabriele Müller   ⁵ , Dipl lng ;   Gerardine Doyle   ⁶ , PhD ;   Peter Chang   ⁷ , MPH, MD ;   Courtney R Lyles   ⁸ , PhD ;   Don Nutbeam   ⁹ , PhD ;   Lucy Yardley   ¹ , PhD

¹ Department of Psychology, University of Southampton, Southampton, United Kingdom

² University of Southampton, Department of Health Sciences, Southampton, United Kingdom

³ Primary Care and Population Sciences, University of Southampton, Southampton, United Kingdom

⁴ Gesundheit Österreich GmbH (Austrian Public Health Institute), Vienna, Austria

⁵ Centre for Evidence-based Healthcare, University Hospital Carl Gustav Carus, Technical University Dresden, Dresden, Germany

⁶ UCD College of Business, University College Dublin, Dublin, Ireland

⁷ Taipei Medical University and National Taipei Hospital, Taipei, Taiwan

⁸ Division of General Internal Medicine, Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, CA, United States

⁹ School of Public Health, University of Sydney, Sydney, Australia