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Development and validation of a survey to assess patient-perceived medication knowledge and confidence in medication use



Development and validation of a survey to assess patient-perceived medication knowledge and confidence in medication use



Journal of Nursing Measurement 22(1): 120-134



The primary objective of this study is to establish the validity and reliability of a perceived medication knowledge and confidence survey instrument (Okere-Renier Survey). Two-stage psychometric analyses were conducted to assess reliability (Cronbach's alpha > .70) of the associated knowledge scale. To evaluate the construct validity, exploratory and confirmatory factor analyses were performed. Exploratory factor analysis (EFA) revealed three subscale measures and confirmatory factor analysis (CFA) indicated an acceptable fit to the data (goodness-of-fit index [GFI = 0.962], adjusted goodness-of-fit index [AGFI = 0.919], root mean square residual [RMR = 0.065], root mean square error of approximation [RMSEA] = 0.073). A high internal consistency with Cronbach's a of .833 and .744 were observed in study Stages 1 and 2, respectively. The Okere-Renier Survey is a reliable instrument for predicting patient-perceived level of medication knowledge and confidence.

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Accession: 052548932

Download citation: RISBibTeXText

PMID: 24851668

DOI: 10.1891/1061-3749.22.1.120


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