• Xi Tan, Lulu K Lee, Stephanie Huynh, Manjiri Pawaskar, and Swapnil Rajpathak.
• Merck & Co., Inc, Kenilworth, NJ, USA.
• Curr Med Res Opin. 2020 Jun 1; 36 (6): 967976967-976.

AbstractObjective: To examine the potential sociodemographic disparities in type 2 diabetes (T2D) management and care among US adult individuals, after controlling for clinical and behavioral factors.Methods: This was a retrospective cohort study of individuals with T2D (N = 4552) from a linked database of the National Health and Wellness Survey and a large US ambulatory electronic health record (EHR) database. This study period was between 1 January 2015 and 31 December 2018 and individuals were followed up for at least 6 months through EHR after the completion of the survey. The sociodemographic characteristics included gender, race, ethnicity, marital status, education, employment status, household income, insurance status, and geographic region. The independent variables included testing and control of HbA1c, blood pressure (BP), and low-density lipoprotein-cholesterol (LDL-C); hypoglycemia, emergency room (ER) visits, and all-cause hospitalization. Multivariable analyses were conducted using generalized linear models.Results: The percentage of uncontrolled HbA1c was 38.6%. With clinical and behavioral characteristics adjusted, individuals living in the Northeast region had 30% higher odds of having HbA1c testing than those who lived in the South. Blacks and Asians were less likely to have HbA1c control than Whites. Uninsured individuals had a lower likelihood of receiving HbA1c, BP, or LDL-C testing compared with commercial insurers. Individuals with low income were more likely to have higher ER visits and hospitalizations.Conclusion: Potential sociodemographic disparities exist in T2D management and care in the US, indicating the needs for improvement in healthcare access, educational and behavioral programs, as well as disease and treatment management in these subgroups.

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