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dc.contributor.authorKim, M
dc.contributor.authorRen, J
dc.contributor.authorTillis, W
dc.contributor.authorAsche, CV
dc.contributor.authorKim, IK
dc.contributor.authorKirkness, CS
dc.date.accessioned2016-08-08T18:45:16Z
dc.date.available2016-08-08T18:45:16Z
dc.date.issued2016-02-22
dc.identifier.bibliographicCitationKim, M., Ren, J., Tillis, W., Asche, C. V., Kim, I. K. and Kirkness, C. S. Explaining the link between access-to-care factors and health care resource utilization among individuals with COPD. Int J Chron Obstruct Pulmon Dis. 2016. 11: 357-367. DOI: 10.2147/copd.s95717.en_US
dc.identifier.issn1176-9106
dc.identifier.urihttp://hdl.handle.net/10027/21045
dc.descriptionThis is a copy of an article published in the International Journal of Chronic Obstructive Pulmonary Disease. © 2016 Dove Medical Press Publications. http://dx.doi.org/10.2147/COPD.S95717en_US
dc.description.abstractBACKGROUND: Limited accessibility to health care may be a barrier to obtaining good care. Few studies have investigated the association between access-to-care factors and COPD hospitalizations. The objective of this study is to estimate the association between access-to-care factors and health care utilization including hospital/emergency department (ED) visits and primary care physician (PCP) office visits among adults with COPD utilizing a nationally representative survey data. METHODS: We conducted a pooled cross-sectional analysis based upon a bivariate probit model, utilizing datasets from the 2011-2012 Behavioral Risk Factor Surveillance System linked with the 2014 Area Health Resource Files among adults with COPD. Dichotomous outcomes were hospital/ED visits and PCP office visits. Key covariates were county-level access-to-care factors, including the population-weighted numbers of pulmonary care specialists, PCPs, hospitals, rural health centers, and federally qualified health centers. RESULTS: Among a total of 9,332 observations, proportions of hospital/ED visits and PCP office visits were 16.2% and 44.2%, respectively. Results demonstrated that access-to-care factors were closely associated with hospital/ED visits. An additional pulmonary care specialist per 100,000 persons serves to reduce the likelihood of a hospital/ED visit by 0.4 percentage points (pp) (P=0.028). In contrast, an additional hospital per 100,000 persons increases the likelihood of hospital/ED visit by 0.8 pp (P=0.008). However, safety net facilities were not related to hospital utilizations. PCP office visits were not related to access-to-care factors. CONCLUSION: Pulmonary care specialist availability was a key factor in reducing hospital utilization among adults with COPD. The findings of our study implied that an increase in the availability of pulmonary care specialists may reduce hospital utilizations in counties with little or no access to pulmonary care specialists and that since availability of hospitals increases hospital utilization, directing patients with COPD to pulmonary care specialists may decrease hospital utilizations.en_US
dc.description.sponsorshipWe acknowledge the Research Open Access Publishing (ROAAP) Fund of the University of Illinois at Chicago for financial support towards the open access publishing fee for this article.en_US
dc.language.isoen_USen_US
dc.publisherDove Medical Pressen_US
dc.subjectCOPDen_US
dc.subjecthospital utilizationen_US
dc.subjectpulmonary specialisten_US
dc.titleExplaining the link between access-to-care factors and health care resource utilization among individuals with COPD.en_US
dc.typeArticleen_US


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