Co-Authored by the Northwest Portland Area Indian Health Board and the Urban Indian Health Institute
An article entitled, “Using Record Linkage to Improve Race Data Quality for American Indians and Alaskan Natives in Two Pacific Northwest State Hospital Discharge Databases” was published in the July 2015 issue of Health Services Research. Using Record linkage, state hospital records were matched to the Northwest Tribal Registry, a registry of American Indian/Alaska Native (AI/AN) individuals who accessed services at Indian health care organizations in the Pacific Northwest, including the Seattle Indian Health Board. Approximately 55% of matching records were misclassified in Oregon and 45% in Washington. Correcting this misclassification greatly increased ascertainment of AI/AN hospitalizations in both these states. It also increased the rate ratio for AI/AN hospitalizations when compared to non-Hispanic whites in both Oregon and Washington. This work demonstrates the importance of improving race data quality for AI/ANs to address disparities in health and health care delivery. Access the abstract online.
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