• Qingying Luo, Kewei Shi, Peiyin Hung, and Shi-Yi Wang.
• Department of Chronic Disease Epidemiology, 5755Yale University School of Public Health, New Haven, CT, USA.
• Am J Hosp Palliat Care. 2021 Jun 1; 38 (6): 626-633.

BackgroundDespite well-documented disparities in end-of-life (EOL) care, little is known about whether patients with low health literacy (LHL) received aggressive EOL care.ObjectiveThis study examined the association between health literacy (HL) and EOL care intensity among Medicare beneficiaries.MethodWe conducted a retrospective analysis of Medicare fee-for-service decedents who died in July-December, 2011. ZIP-code-level HL scores were estimated from the 2010-2011 Health Literacy Data Map, where a score of 225 or lower was defined as LHL. Aggressive EOL care measures included repeated hospitalizations within the last 30 days of life, no hospice enrollment within the last 6 months of life, in-hospital death, and any of above. Using hierarchical generalized linear models, we examined the association between HL and aggressive EOL care.ResultsOf 649,556 decedents, the proportion of decedents who received any aggressive EOL care among those in LHL areas was 82.7%, compared to 72.7% in HHL areas. In multivariable analyses, decedents residing in LHL areas, compared to those in HHL areas, had 31% higher odds of aggressive EOL care (adjusted odds ratio [AOR] 1.31; 95% confidence interval [CI]:1.21-1.42), including higher odds of no hospice use (AOR 1.35; 95% CI: 1.27-1.44), repeated hospitalization (AOR 1.07; 95% CI: 1.01-1.14) and in-hospital death (AOR 1.21; 95% CI: 1.13-1.29).ConclusionMedicare beneficiaries who resided in LHL areas were likely to receive aggressive EOL care. Tailored efforts to improve HL and facilitate patient-provider communications in LHL areas could reduce EOL care intensity.

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