Is insurance instability associated with hypertension outcomes and does this vary by race/ethnicity?

Kressin NR, Terrin N, Hanchate AD, Price LL, Moreno-Koehler A, LeClair A, Suzukida J, Kher S, Freund KM. Is insurance instability associated with hypertension outcomes and does this vary by race/ethnicity? BMC health services research. 2020 Mar 16; 20(1):216.

Related HSR&D Project(s)

• RCS 02-066 – Research Career Scientist Award

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Abstract:

BACKGROUND: Stable health insurance is often associated with better chronic disease care and outcomes. Racial/ethnic health disparities in outcomes are prevalent and may be associated with insurance instability, particularly in the context of health insurance reform. METHODS: We examined whether insurance instability was associated with uncontrolled blood pressure (UBP) and whether this association varied by race/ethnicity. We used a retrospective longitudinal observational cohort study of patients diagnosed with hypertension who obtained care within two health systems in Massachusetts. We measured the UBP, insurance instability, and race of 43,785 adult primary care patients, age 21-64 with visits from 1/2005-12/2013. RESULTS: We found higher rates of UBP for blacks and Hispanics at each time point over the entire 9 years. Insurance instability was associated with greater rates of UBP. Always uninsured black patients fared worst, while white and Hispanic patients with consistent public insurance fared best. CONCLUSIONS: Stable insurance of any type was associated with better hypertension control than no or unstable insurance.