DOCUMENTS

papers

Rural American Indian Medicaid health care services use and health care costs in California

Published: October 27, 2005
Category: Papers
Authors: Crouch JA, Kao C, Korenbrot CC, Wong ST
Country: United States
Language: null
Type: Population Health
Settings: Government, Health Plan

Am J Public Health 96:363-370.

Institute for Health Policy Studies, University of California San Francisco, USA

OBJECTIVES: We determined differences in Medicaid service use and health care costs in a rural Indian Health Service (IHS) user population of American Indians and Alaska Natives as compared with Whites.

METHODS: California Medicaid eligibility and claims files were linked to IHS user files to obtain a sample of Medicaid-eligible American Indian/Alaska Native users (n=7910). A random sample of Whites was matched for age, gender, aid category, length of eligibility, and county of residence (n=15075). We used generalized linear models to compare risk-adjusted use of resources-ambulatory visits, prescriptions, emergency room visits, hospitalizations, and costs-both adjusting and stratifying for dominant source of ambulatory visits.

RESULTS: American Indians/Alaska Natives had significantly lower use of Medicaid-paid ambulatory visits, prescriptions, emergency room visits, and hospitalizations and lower associated costs than Whites. Medicaid-paid total costs and use of services were lower for those who predominantly used Indian health program clinics, as well as for those who predominantly used other sources of ambulatory care.

CONCLUSIONS: Barriers to receiving Medicaid services and payments exist for American Indians/Alaska Natives in the rural IHS-user population. If American Indians/Alaska Natives are to have Medicaid resources comparable to those of Whites, these barriers must be reduced.

PMID: 16257948
PMCID: PMC1470470

Population Markers,Resource Allocation,Payment,United States,Adult,Alaska,California,European Continental Ancestry Group,Gender,Inuits,Linear Models,Middle Aged,Retrospective Studies,Rural Population

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