Efficacy of StepAdd, a Personalized mHealth Intervention Based on Social Cognitive Theory to Increase Physical Activity Among Patients With Type 2 Diabetes Mellitus: Protocol for a Randomized Controlled Trial

Kayo Waki   ^{1, 2, 3} , MD, MPH, PhD ;   Yuya Tsurutani   ⁴ , MD, PhD ;   Hironori Waki   ⁵ , MD, PhD ;   Syunpei Enomoto   ³ , MAS ;   Kosuke Kashiwabara   ⁶ , PhD ;   Akira Fujiwara   ⁷ , MD, PhD ;   Kazuki Orime   ⁸ , MD, PhD ;   Sho Kinguchi   ⁹ , MD, PhD ;   Toshimasa Yamauchi   ² , MD, PhD ;   Nobuhito Hirawa   ⁷ , MD, PhD ;   Kouichi Tamura   ⁹ , MD, PhD ;   Yasuo Terauchi   ¹⁰ , MD, PhD ;   Masaomi Nangaku   ¹¹ , MD, PhD ;   Kazuhiko Ohe   ^{1, 3} , MD, PhD

¹ Department of Biomedical Informatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

² Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

³ Department of Planning, Information and Management, The University of Tokyo Hospital, Tokyo, Japan

⁴ Endocrinology and Diabetes Center, Yokohama Rosai Hospital, Yokohama, Japan

⁵ Department of Metabolism and Endocrinology, Akita University Graduate School of Medicine, Akita, Japan

⁶ Data Science Office, Clinical Research Promotion Center, The University of Tokyo Hospital, Tokyo, Japan

⁷ Department of Nephrology and Hypertension, Yokohama City University Medical Center, Yokohama, Japan

⁸ Department of Endocrinology and Diabetes, Yokohama City University Medical Center, Yokohama, Japan

⁹ Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan

¹⁰ Department of Endocrinology and Metabolism, Yokohama City University Graduate School of Medicine, Yokohama, Japan

¹¹ Division of Nephrology and Endocrinology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan