A Digital Toolkit for Weight Loss Maintenance in European Adults (NoHoW): 2×2 Factorial Randomized Controlled Trial

R James Stubbs   ¹ , PhD ;   Cristiana Duarte   ² , PhD ;   Clarissa Dakin   ¹ , PhD ;   António L Palmeira   ³ , PhD ;   Falko F Sniehotta   ⁴ , PhD ;   Graham W Horgan   ⁵ , PhD ;   Sofus C Larsen   ⁶ , PhD ;   Marta M Marques   ⁷ , PhD ;   Jorge Encantado   ⁸ , PhD ;   Elizabeth H Evans   ⁹ , PhD ;   Jake Turicchi   ¹ , PhD ;   Ruari O'Driscoll   ¹ , PhD ;   Sarah E Scott   ¹ , PhD ;   Beth Pearson   ¹ , PhD ;   Lauren Ramsey   ¹ , PhD ;   Marie-Louise Mikkelsen   ⁵ , PhD ;   Inês Santos   ^{3, 10, 11} , PhD ;   Marcela Matos   ¹² , PhD ;   Pedro J Teixeira   ⁸ , PhD ;   Berit L Heitmann   ^{6, 13} , PhD

¹ School of Psychology, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom

² School of Education, Language and Psychology, York St John University, York, United Kingdom

³ Centro de Investigação em Desporto Educação Física, Exercício e Saúde (CIDEFES), Universidade Lusófona and Centro de Investigação, Formação, Inovação e Intervenção em Desporto (CIFI2D), Universidade do Porto, Porto, Portugal

⁴ Division of Public Health, Social and Preventive Medicine, Centre for Preventive Medicine and Digital Health (CPD), Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany

⁵ Biomathematics and Statistics Scotland, Aberdeen, United Kingdom

⁶ Research Unit for Diet and Health at The Parker Institute, Bispebjerg and Frederiksberg Hospital, The Capital Region, Copenhagen, Denmark

⁷ NOVA National School of Public Health, Public Health Research Centre, Comprehensive Health Research Center, CHRC, REAL, CCAL, NOVA University Lisbon, Lisbon, Portugal

⁸ Interdisciplinary Center for the Study of Human Performance (CIPER), Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada, Portugal

⁹ Department of Psychology, Faculty of Science, Durham University, Durham, United Kingdom

¹⁰ Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

¹¹ Instituto de Saúde Ambiental (ISAMB), Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal

¹² Center for Research in Neuropsychology and Cognitive and Behavioural Intervention (CINEICC), Universidade de Coimbra, Coimbra, Portugal

¹³ Section for General Medicine, The Department of Public Health, University of Copenhagen, Copenhagen, Denmark