The Impact of Private and Public Health Insurance on Medication Use for Adults with Chronic Diseases

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Abstract
This article examines the impact of public and private health insurance on the use of medications for California adults with any of four chronic diseases: heart disease, high blood pressure, diabetes, and asthma. The data set used is the 2001 California Health Interview Survey. Multivariate analyses were conducted on individuals who had been diagnosed with each of these diseases. Controlling for various demographic, health status, and employment characteristics, the authors find that the uninsured are far less likely to be taking medications for each of the conditions than those with private insurance. Interestingly, those with Medicaid coverage are even more likely than those with private insurance to be taking such medications. The results of this study underscore the importance of health insurance for all persons with chronic conditions and the benefits of Medicaid in particular for low-income adults with chronic conditions.