Differences in spending for diabetes and multiple chronic conditions in Michigan medicare beneficiaries

John M. Clements, Neli P. Ragina, Jordan Killingsworth, Thomas G. Weiss, S. Akbar Husain, Mariam Zunnu Rain, Kellie M. Clark, Spandana Alla, Michelle G. Jin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

OBJECTIVES: To determine which combinations of type 2 diabetes (T2D) and multiple chronic conditions (MCC) contribute to total spending and differences in spending between groups based on sex, race/ethnicity, and rural residency. STUDY DESIGN: Retrospective cohort study using 2012 Medicare claims data from beneficiaries in Michigan with T2D. METHODS: Zero-inflated Poisson regression models to estimate relationships of demographic characteristics and MCC combinations on hospital outpatient, acute inpatient, skilled nursing, hospice, and Part D drug spending. RESULTS: Across most MCC combinations, there are lower odds of no spending, with a concurrent increase in the expected mean of actual spending when payments are made, except for hospital outpatient costs. For hospital outpatient services, we observed lower spending across all MCC combinations. When controlling for MCC, we generally found that compared with White beneficiaries, Black, Asian/Pacific Islander, and Hispanic beneficiaries experience increased odds of no spending, but when payments were made, payments generally increased. American Indian/Alaska Native beneficiaries are the exception; they experience decreased odds of no payments for hospital outpatient and acute inpatient services, with a concurrent decrease in mean expected payments. CONCLUSIONS: When considering a range of MCC combinations, we observed differences in total payments between racial/ethnic minority groups and White beneficiaries. Our results highlight the ongoing need to make changes in the health care system to make the system more accessible to racial/ethnic minority groups.

Original languageEnglish
Pages (from-to)E362-E368
JournalThe American journal of managed care
Volume26
Issue number11
DOIs
StatePublished - Nov 2020

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