Optimizing Engagement in an Online Dietary Intervention for Depression (My Food & Mood Version 3.0): Cohort Study

Claire Louise Young   ^{1 *} , BEng, Grad Dip (Psych), Grad Dip (Computing), MAIT ;   Mohammadreza Mohebbi   ^{2 *} , PhD ;   Heidi M Staudacher   ^{1 *} , PhD ;   Frances Kay-Lambkin   ^{3 *} , PhD ;   Michael Berk   ^{4 *} , PhD ;   Felice Nellie Jacka   ^{1, 5, 6, 7 *} , PhD ;   Adrienne O'Neil   ^{1 *} , PhD

¹ Food & Mood Centre, Institute for Mental and Physical Health and Clinical Translation, Deakin University, Geelong, Victoria, Australia

² Biostatistics Unit, Faculty of Health, Deakin University, Geelong, Australia

³ Priority Research Centre for Brain and Mental Health, Faculty of Health and Medicine, The University of Newcastle, Callaghan, New South Wales, Australia

⁴ Institute for Mental and Physical Health and Clinical Translation, Deakin University, Geelong, Victoria, Australia

⁵ Centre for Adolescent Health, Murdoch Children’s Research Institute, Parkville, Victoria, Australia

⁶ Black Dog Institute, Syndey, New South Wales, Australia

⁷ James Cook University, Queensland, Australia

*all authors contributed equally