Effect of Diabetes Self-Management Education and Support on Long-Term Glycemic Control - 08/04/26

Doi : 10.1016/j.deman.2026.100312

Benjamin Lalani ¹, Nisa M. Maruthur ^2,^3,^4,⁵, Eugene Arnold ¹, Scott A. Berkowitz ⁶, Jason Fu ⁷, Dingfen Han ², Caitlin Nass ¹, Sudipa Sarkar ¹, Nae-Yuh Wang ^2,^3,^4,^8,^9,¹⁰, Hsin-Chieh Yeh ^2,^3,^4,¹⁰, Mohammed Abusamaan ¹, Nestoras N. Mathioudakis ^1,^4,^⁎

¹ Division of Endocrinology, Diabetes & Metabolism, Johns Hopkins University School of Medicine, Baltimore, MD

² Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD

³ Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD

⁴ Welch Center for Prevention, Epidemiology, & Clinical Research, Johns Hopkins University, Baltimore, MD

⁵ Johns Hopkins Brancati Center for the Advancement of Community Care, Johns Hopkins University School of Medicine, Baltimore, MD

⁶ New York Presbyterian Hospital, New York, New York

⁷ Johns Hopkins Medicine Office of Population Health, Baltimore, MD

⁸ Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD

⁹ Institute for Clinical and Translational Research, Johns Hopkins University, Baltimore, MD

¹⁰ Center for Health Equity, Johns Hopkins University, Baltimore, MD

^⁎ Correspondence to: Dr. Nestoras Mathioudakis, Division of Endocrinology, Diabetes & Metabolism, Johns Hopkins University School of Medicine, 1830 E. Monument Street, Suite 333, Baltimore, MD 21287 Division of Endocrinology Diabetes & Metabolism Johns Hopkins University School of Medicine 1830 E. Monument Street, Suite 333 Baltimore MD 21287

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Summary

In this retrospective cohort study of 13,087 patients, those who participated in diabetes self-management education and support (DSMES) experienced a 1.03% (11 mmol/mol) adjusted decline in HbA1c over 24 months, which was 0.19% (2 mmol/mol) greater than the adjusted reduction observed in non-participants. This supports DSMES as an effective intervention.

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Keywords : diabetes self-management education, behavior change, behavioral support, diabetes education, patient education, real-world evidence