A Multicomponent mHealth-Based Intervention (SWAP IT) to Decrease the Consumption of Discretionary Foods Packed in School Lunchboxes: Type I Effectiveness–Implementation Hybrid Cluster Randomized Controlled Trial

Rachel Sutherland   ^{1, 2, 3, 4} , PhD ;   Alison Brown   ¹ , BNutrDiet ;   Nicole Nathan   ^{1, 3, 4} , PhD ;   Serene Yoong   ^{1, 3, 4, 5} , PhD ;   Lisa Janssen   ¹ , BNutrDiet ;   Amelia Chooi   ¹ , BNutrDiet ;   Nayerra Hudson   ¹ , BNutrDiet ;   John Wiggers   ^{1, 3, 4} , PhD ;   Nicola Kerr   ⁶ , BAppSc ;   Nicole Evans   ⁷ , BPsych ;   Karen Gillham   ¹ , BSocSci ;   Christopher Oldmeadow   ³ , PhD ;   Andrew Searles   ³ , PhD ;   Penny Reeves   ^{1, 3} , GradDipHlthEcon ;   Marc Davies   ⁸ , BExSci ;   Kathryn Reilly   ^{1, 3, 4} , PhD ;   Brad Cohen   ⁹ , CA, BCOM-LLB ;   Luke Wolfenden   ¹ , PhD

¹ Hunter New England Population Health, Wallsend, Australia

² School of Medicine and Public Health, University of Newcastle, Callaghan, Australia

³ Hunter Medical Research Institute, New Lambton Heights, Australia

⁴ Priority Research Centre for Health Behaviour, University of Newcastle, Callaghan, Australia

⁵ Department of Nursing and Allied Health, School of Health Sciences, Swinburne University of Technology, Hawthorn, Australia

⁶ Mid North Coast Local Health District, Port Macquarie, Australia

⁷ Central Coast Local Health District, Gosford, Australia

⁸ New South Wales Ministry of Health, Liverpool, Australia

⁹ SkoolBag, Sydney, Australia