Trends and Disparities in Technology Use and Glycemic Control in Type 1 Diabetes

Has glycemic control changed during the past 15 years among individuals with type 1 diabetes (T1D)?In this cross-sectional study of 186 590 individuals with T1D, the prevalence of glycemic control increased in US youths (7% to 19%) and adults (21% to 28%) between the 2009-2011 and 2021-2023 study periods. Patients who were Hispanic or non-Hispanic Black and insured by Medicaid had the lowest prevalence of glycemic control, and differences across ethnicity, race, and insurance status grew over time.These findings suggest that glycemic control has improved significantly in US youths and adults with T1D during the past 15 years, but overall prevalence remains low.

Corresponding Author: Jung-Im Shin, MD, PhD, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 2024 E Monument St, Baltimore, MD 21205 (jshin19@jh.edu).

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