Do correlates of dual use by American Indian and Alaska Native Veterans operate uniformly across the Veterans Health Administration and the Indian Health Service?

Kramer BJ, Jouldjian S, Wang M, Dang J, Mitchell MN, Finke B, Saliba D. Do correlates of dual use by American Indian and Alaska Native Veterans operate uniformly across the Veterans Health Administration and the Indian Health Service? Journal of general internal medicine. 2011 Nov 1; 26 Suppl 2:662-8.

Related HSR&D Project(s)

• ACC 03-304 – VA and Indian Health Services (IHS): Access for American Indian Veterans

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Abstract:

OBJECTIVE: To determine if the combined effects of patient-level (demographic and clinical characteristics) and organizational-level (structure and strategies to improve access) factors are uniformly associated with utilization of Indian Health Service (IHS) and/or Veterans Health Administration (VHA) by American Indian and Alaska Native (AIAN) Veterans to inform policy which promotes dual use. METHODS: We estimated correlates and compared two separate multilevel logistic regression models of VHA-IHS dual versus IHS-only and VHA-IHS dual versus VHA-only in a sample of 18,892 AIAN Veterans receiving care at 201 VHA and IHS facilities during FY02 and FY03. Demographic, diagnostic, eligibility, and utilization data were drawn from administrative records. A survey of VHA and IHS facilities defined availability of services and strategies to enhance access to healthcare for AIAN Veterans. RESULTS: Facility level strategies that are generally associated with enhancing access to healthcare (e.g., population-based services and programs, transportation or co-location) were not significant factors associated with dual use. In both models the common variable of dual use was related to medical need, defined as the number of diagnoses per patient. Other significant demographic, medical need and organizational factors operated in opposing manners. For instance, age increased the likelihood of dual use versus IHS-only but decreased the likelihood of dual use versus VHA-only. CONCLUSIONS: Efforts to enhance access through population-based and consumer-driven strategies may add value but be less important to utilization than availability of healthcare resources needed by this population. Sharing health records and co-management strategies would improve quality of care while policies allow and promote dual use.