Text Messages and Financial Incentives to Increase Physical Activity in Adolescents With Prediabetes and Type 2 Diabetes: Web-Based Group Interviews to Inform Intervention Design

Mary Ellen Vajravelu   ^{1, 2} , MSHP, MD ;   Talia Alyssa Hitt   ³ , MPH, MSHP, MD ;   NaDea Mak   ⁴ , MPH, CCRP, CIP ;   Aliya Edwards   ⁵ , BS ;   Jonathan Mitchell   ^{6, 7} , PhD ;   Lisa Schwartz   ^{7, 8} , PhD ;   Andrea Kelly   ^{4, 7} , MSCE, MD ;   Sandra Amaral   ^{5, 7} , MHS, MD

¹ Division of Pediatric Endocrinology, Diabetes, and Metabolism, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States

² Center for Pediatric Research in Obesity and Metabolism, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States

³ Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD, United States

⁴ Division of Endocrinology & Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States

⁵ Division of Nephrology, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States

⁶ Division of Gastroenterology, Hepatology and Nutrition, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States

⁷ Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States

⁸ Center for Childhood Cancer Research, Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States