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      Latino disparities in prescription drug use and expenditures: a nationally representative analysis.

      The Annals of Pharmacotherapy
      Adolescent, Adult, Drug Prescriptions, economics, statistics & numerical data, European Continental Ancestry Group, Female, Health Care Costs, Hispanic Americans, Humans, Male, Middle Aged, Odds Ratio, Population Surveillance, Time Factors, United States, Young Adult

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          Abstract

          Latinos are disproportionately affected by the lack of affordable prescription drugs. Within the Latino population, there are significant heterogeneities in the patterns of prescription drug expenditures and use. However, studies have traditionally treated them as a single, monolithic group. To identify and quantify factors associated with disparities in drug use and expenditures between non-Latino whites and Latino subgroups. We examined trends in prescription drug use, total prescription drug expenditures, and the proportion of out-of-pocket (OOP) payment to total drug expenditures for whites and Latino subgroups using the Medical Expenditure Panel Survey from 1999 to 2006. Multivariate regressions were used to adjust for confounding factors that may also affect drug use and expenditures. Latinos were significantly less likely to use drugs compared to whites. Mexicans had significantly lower prescription drug costs and a higher proportion of OOP expenditures compared to whites after socioeconomic and demographic factors were controlled. Usual source of care, health insurance, and limited English proficiency were the most important factors associated with these disparities. Among the Latino subgroups, Puerto Ricans had drug expenditures and use patterns most similar to those of whites. Substantive disparities in prescription drug expenditures and use existed between whites and specific Latinos groups, with Mexicans faring the worst. Future health studies should examine Latino subgroups separately, rather than treating Latinos as a homogeneous group. Policies aimed at expanding insurance coverage and access to a usual source of care, as well as addressing language barriers, should substantially reduce these disparities.

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