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A Toolkit for Researchers

New resources for investigators who are interested in conducting research on the care needs of low-income older adults and people with disabilities

Arnold Ventures seeks to address some of the most pressing policy challenges facing our country. Our work within the health care sector is driven by a belief that our current system costs too much and struggles to adequately care for people with one condition, let alone a complex array of conditions. There is no population for whom this is truer than those who are dually eligible for Medicare and Medicaid. Dual-eligible individuals account for a disproportionate share of Medicare and Medicaid spending, yet the outcomes we get for these dollars are poor. They are more likely to have inpatient stays, visit emergency rooms, and use nursing homes than their Medicare-only counterparts.

These health needs — and the high cost of caring for this population — should motivate policymakers to pursue reforms to state and federal policy. However, one of the limiting factors in developing new policy is the evidence gap. Relatively few investigators use both Medicare and Medicaid data when conducting research and those that do are at just a few institutions. There are a variety of useful data sources now available to help answer some of the more pressing questions being asked by policymakers.

About the toolkit

This toolkit is designed to support investigators interested in pursuing work focused on the health needs and care experiences of low-income older adults and people with disabilities who have both Medicare and Medicaid.


The Complex Care initiative has invested in several resources available to researchers:


Complex Care Research Agenda

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Data to Inform Research on Integrated Care for Dual Eligibles

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