Co-designing a Lifestyle-Focused Text Message Intervention for Women After Breast Cancer Treatment: Mixed Methods Study

Anna Singleton   ^{1, 2} , MSc, BSc(HonsI) ;   Rebecca Raeside   ^{1, 2} , MPH, BBiomedSc ;   Stephanie R Partridge   ^{1, 2, 3} , PhD, BSc ;   Molly Hayes   ^{1, 2} , MBA, BCom ;   Katherine Maka   ^{4, 5} , BAPSC ;   Karice K Hyun   ^{1, 2, 6} , PhD, MAS, BSc ;   Aravinda Thiagalingam   ^{2, 7, 8} , PhD, MBBS ;   Clara K Chow   ^{2, 7, 8} , PhD, MBBS ;   Kerry A Sherman   ⁹ , PhD, MA, BSc(Hons) ;   Elisabeth Elder   ⁵ , PhD, MBBS ;   Julie Redfern   ^{1, 2, 8, 10} , PhD, BAPSC

¹ Consumer Engagement and Codesign Research Hub, School of Health Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, Australia

² Westmead Applied Research Centre, Faculty of Medicine and Health, University of Sydney, Sydney, Australia

³ Prevention Research Collaboration, Charles Perkins Centre, University of Sydney, Sydney, Australia

⁴ Department of Physiotherapy, Westmead Hospital, Sydney, Australia

⁵ Westmead Breast Cancer Institute, Westmead Hospital, Sydney, Australia

⁶ Department of Cardiology, Concord Repatriation General Hospital, Sydney, Australia

⁷ Department of Cardiology, Westmead Hospital, Sydney, Australia

⁸ George Institute for Global Health, University of New South Wales, Sydney, Australia

⁹ Centre for Emotional Health, Department of Psychology, Macquarie University, Sydney, Australia

¹⁰ Research Education Network, Western Sydney Local Health District, Sydney, Australia