OBJECTIVE: The objectives of this study were to identify geographic regions with shortages of psychiatric mental health-advanced practice registered nurses (PMH-APRNs), describe rural-urban differences in the distribution of PMH-APRNs, and discuss implications of the uneven geographic distribution. METHODS: The data source was a complete listing, provided by the American Nurses Credentialing Center, of the employment zip codes of certified PMH-APRNs during 2007 (N=10,452). Geographic information science techniques and spatial statistics were used to conduct a cluster analysis of the spatial distribution of PMH-APRNs. RESULTS: After adjustment for population on the basis of U.S. census reports, statistically significant clusters of counties with high and low density of PMH-APRNs, an indicator of uneven accessibility, were identified. Rural-urban differences in the distribution were also illustrated. CONCLUSIONS: The interdisciplinary approach, including both mapping and statistical analyses, identified shortage areas and provided the groundwork for directing future education, clinical practice, and public policy initiatives.
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Ghosh et al. (2011) studied this question.
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