Preliminary Efficacy, Feasibility, and Perceived Usefulness of a Smartphone-Based Self-Management System With Personalized Goal Setting and Feedback to Increase Step Count Among Workers With High Blood Pressure: Before-and-After Study

Tomomi Shibuta   ¹ , RN, PHN, PhD ;   Kayo Waki   ^{1, 2, 3} , MD, MPH, PhD ;   Kana Miyake   ^{1, 3} , MD, PhD ;   Ayumi Igarashi   ⁴ , RN, PhD ;   Noriko Yamamoto-Mitani   ⁴ , RN, PhD ;   Akiko Sankoda   ¹ , MD, PhD ;   Yoshinori Takeuchi   ⁵ , DVM, PhD, MPH ;   Masahiko Sumitani   ⁶ , MD, PhD ;   Toshimasa Yamauchi   ³ , MD, PhD ;   Masaomi Nangaku   ⁷ , MD, PhD ;   Kazuhiko Ohe   ^{1, 2} , MD, PhD

¹ Department of Healthcare Information Management, The University of Tokyo Hospital, Tokyo, Japan

² Department of Biomedical Informatics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

³ Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

⁴ Department of Gerontological Home Care and Long-term Care Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

⁵ Department of Biostatistics, School of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

⁶ Department of Pain and Palliative Medicine, The University of Tokyo Hospital, Tokyo, Japan

⁷ Division of Nephrology and Endocrinology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan