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Psychometric Properties of the Korean Version of the Patient Knowledge Questionnaire-Osteoarthritis

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  • Jung-Suk Kim
  • Chun-Ja Kim
  • Elizabeth A. Schlenk

Abstract

This study examined the psychometric properties of the Korean version of the Patient Knowledge Questionnaire-Osteoarthritis (PKQ-OA-K). A cross-sectional survey was conducted with 157 adults with osteoarthritis from the outpatient clinic at a university hospital in Korea. The overall correct answer rate for the PKQ-OA-K was 60.4%; notably, the drug therapy subscale had the lowest median score percentage (42.9%). For structural validity, exploratory factor analysis identified the PKQ-OA-K as two-dimensional, explaining 52.4% of the total variance. Confirmatory factor analysis showed that the two-factor model adequately fit the data. The PKQ-OA-K was positively correlated with education level ( r  = 0.24) and osteoarthritis outcomes ( r  = 0.17), thus verifying the hypotheses of construct validity. The intraclass correlation coefficient for test-retest reliability was 0.52; alpha was 0.44. The PKQ-OA-K has excellent validity but imperfect reliability for adults with osteoarthritis. This study recommends cautious use of the PKQ-OA-K to assess Korean patients’ knowledge of osteoarthritis.

Suggested Citation

  • Jung-Suk Kim & Chun-Ja Kim & Elizabeth A. Schlenk, 2022. "Psychometric Properties of the Korean Version of the Patient Knowledge Questionnaire-Osteoarthritis," Clinical Nursing Research, , vol. 31(1), pages 69-79, January.
    • Handle: RePEc:sae:clnure:v:31:y:2022:i:1:p:69-79
    DOI: 10.1177/10547738211001964
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