Development and Validation of a Survey to Assess Patient-Perceived Medication Knowledge and Confidence in Medication Use

Background and Purpose: 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). Methods: Two-stage psychometric analyses were conducted to assess reliability (Cronbach's α >.7...

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Bibliographic Details
Published in:Journal of nursing measurement 2014-01, Vol.22 (1), p.120-134
Main Authors: Okere, Arinze Nkemdirim, Renier, Colleen M., Morse, Jacqueline
Format: Article
Language:English
Subjects:
Administration, Management, and Leadership
Factor Analysis, Statistical
Female
Health Knowledge, Attitudes, Practice
Humans
Male
Medication Adherence
Medication Reconciliation
Middle Aged
Nursing
Nursing Education
Patient Satisfaction
Patients - psychology
Professional Issues and Trends
Psychometrics
Reproducibility of Results
Surveys and Questionnaires
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Summary:Background and Purpose: 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). Methods: Two-stage psychometric analyses were conducted to assess reliability (Cronbach's α >.70) of the associated knowledge scale. To evaluate the construct validity, exploratory and confirmatory factor analyses were performed. Results: 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 α of .833 and .744 were observed in study Stages 1 and 2, respectively. Conclusions: The Okere-Renier Survey is a reliable instrument for predicting patient-perceived level of medication knowledge and confidence.
ISSN:1061-3749
1945-7049
DOI:10.1891/1061-3749.22.1.120