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Development and psychometric properties of the Japanese Consumer Assessment of Healthcare Providers and Systems Clinician & Group Survey (CG-CAHPS)

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  • Takuya Aoki
  • Kuichiro Taguchi
  • Eiichi Hama

Abstract

The Consumer Assessment of Healthcare Providers and Systems Clinician & Group Survey (CG-CAHPS) is one of the most widely studied and endorsed patient experience measures for ambulatory care. This study aimed to develop a Japanese CG-CAHPS and examine its psychometric properties. We evaluated the structural validity, criterion-related validity, internal consistency reliability, and site-level reliability of the scale. Data were analyzed for 674 outpatients aged 18 years or older in 11 internal medicine clinics. The confirmatory factor analysis supported the scale’s structural validity and the same composites (Access, Provider Communication, Care Coordination, and Office Staff) as that of the original CG-CAHPS. All site-level Pearson correlation coefficients between the Japanese CG-CAHPS composites and overall provider rating exceeded the criteria. Results of item-total correlations and Cronbach’s alpha indicated adequate internal consistency reliability. We developed the Japanese CG-CAHPS and examined its validity and reliability to measure the quality of ambulatory care based on patient experience. The results of the Japanese CG-CAHPS survey will provide useful information to providers, organizations, and policy makers for achieving a patient-centered healthcare system in Japan.

Suggested Citation

  • Takuya Aoki & Kuichiro Taguchi & Eiichi Hama, 2021. "Development and psychometric properties of the Japanese Consumer Assessment of Healthcare Providers and Systems Clinician & Group Survey (CG-CAHPS)," PLOS ONE, Public Library of Science, vol. 16(4), pages 1-9, April.
    • Handle: RePEc:plo:pone00:0250843
    DOI: 10.1371/journal.pone.0250843
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