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Impact of Market Competition on Continuity of Care and Hospital Admissions for Asthmatic Children: A Longitudinal Analysis of Nationwide Health Insurance Data 2009-2013

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  • Kyoung Hee Cho
  • Eun-Cheol Park
  • Young Soon Nam
  • Seon-Heui Lee
  • Chung Mo Nam
  • Sang Gyu Lee

Abstract

Background: Ambulatory care-sensitive conditions, including asthma, can be managed with timely and effective outpatient care, thereby reducing the need for hospitalization. Objective: This study assessed the relationship between market competition, continuity of care (COC), and hospital admissions in asthmatic children according to their health care provider. Methods: A longitudinal design was employed with a 5-year follow-up period, between 2009 and 2013, under a Korean universal health insurance program. A total of 253 geographical regions were included in the analysis, according to data from the Korean Statistical Office. Data from 9,997 patients, aged ≤ 12 years, were included. We measured the COC over a 5-year period using the Usual Provider Continuity (UPC) index. Random intercept models were calculated to assess the temporal and multilevel relationship between market competition, COC, and hospital admission rate. Results: Of the 9,997 patients, 243 (2.4%) were admitted to the hospital in 2009. In the multilevel regression analysis, as the Herfindahl–Hirschman Index increased by 1,000 points (denoting decreased competitiveness), UPC scores also increased (ß = 0.001; p

Suggested Citation

  • Kyoung Hee Cho & Eun-Cheol Park & Young Soon Nam & Seon-Heui Lee & Chung Mo Nam & Sang Gyu Lee, 2016. "Impact of Market Competition on Continuity of Care and Hospital Admissions for Asthmatic Children: A Longitudinal Analysis of Nationwide Health Insurance Data 2009-2013," PLOS ONE, Public Library of Science, vol. 11(3), pages 1-13, March.
    • Handle: RePEc:plo:pone00:0150926
    DOI: 10.1371/journal.pone.0150926
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