Usability and Acceptability of a Digital Health App to Support Infant Feeding and Lifestyle Behaviors: Mixed Methods Pilot Study

Madhumitha Ayyappan   ¹ , BA (Hons) ;   Nowel Tan   ² , MBBS ;   Sarithra Jayasekaran   ³ , BSc ;   Chee Wai Ku   ^{1, 4, 5} , MD, PhD ;   Chengsi Ong   ^{1, 6} , PhD ;   Chua Mei Chien   ^{1, 7, 8} , MBBS ;   Jerry Kok Yen Chan   ^{1, 4, 5} , MBChB, PhD ;   Fabian Yap   ^{1, 3, 5, 8} , MBBS ;   See Ling Loy   ^{1, 4, 5 *} , PhD ;   Daniel Chan   ^{1, 3, 8 *} , MBBS

¹ Duke-NUS Medical School, Singapore, Singapore

² Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore

³ Endocrinology Service, Department of Paediatrics, KK Women’s and Children’s Hospital, Singapore, Singapore

⁴ Department of Reproductive Medicine, KK Women’s and Children’s Hospital, Singapore, Singapore

⁵ SingHealth Duke-NUS Maternal and Child Health Research Institute, KK Women’s and Children’s Hospital, Singapore, Singapore

⁶ Department of Nutrition and Dietetics, KK Women’s and Children’s Hospital, Singapore, Singapore

⁷ Department of Neonatology, KK Women's and Children's Hospital, Singapore, Singapore

⁸ Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore

*these authors contributed equally