Abstract
The objective of this study was to assess the validity and reliability of the Korean version of the patient-centered care (K-PCC) instrument for outpatients. The study was conducted due to the absence of a measurement tool specifically designed to evaluate patient-centered care for outpatients. This study is a methodological study to verify the validity and reliability of the Korean version of Patient-Centered Care (K-PCC) to measure patient-centeredness for outpatients. As a first step for the evaluation of the tool, the content validity was verified by expert panel. Then, a total of 400 outpatients were recruited, and construct validity was verified through confirmatory factor analysis (CFA) as the second step for the evaluation of the tool. The convergent and discriminant validity of the tool was verified by calculating the standardized factor loads, construct reliability (CR), and average variance extracted (AVE), and calculating the correlation square between the factors as the third and fourth steps for the evaluation of the tool. And as a fifth step for the evaluation of the tool, criterion validity was evaluated by comparing the correlation with the patient-centeredness measurement tool for inpatients (PEx-inpatient). In estimating reliability, internal consistency reliability coefficients were calculated. The confirmatory factor analysis supported good fit for the Korean patient-centered care instrument (K-PCC), and the eight-factor structure was validated. The scale comprises 21 items across eight factors: patient preferences (4 items), physical comfort (2 items), coordination of care (2 items), continuity and transition (3 items), emotional support (2 items), access to medical care (3 items), information and education (2 items), and family and friends (3 items). The Cronbach's alphas ranging between 0.73 and 0.88. The Korean patient-centered primary care instrument is a valid and reliable scale to measure patient-centered care for outpatients in the Korean medical environment.
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