Karima Lalani, Jeffrey Helton, Francine R Vega, Marylou Cardenas-Turanzas, Tiffany Champagne-Langabeer, James R Langabeer
The Impact of COVID-19 on the Financial Performance of Largest Teaching Hospitals
Healthcare (Basel, Switzerland)
objective develop measurement scale public health safety literacy university freshmen methods item pooling conducted literature review indepth interview public health experts nominal group organized develop initial items form questionnaire total 250 freshmen randomly selected complete questionnaire assessment psychometric properties performed carry item reduction using classical test theory item response theory exploratory factor analysis method efa employed calculate itemfactor loadings data collected another 318 freshmen analyzed using confirmatory factor analysis method cfa results scale contained 3 dimensions 9 items content validity index 08 difficulty coefficient 9 items 118243 discriminative validity analysis showed difficulty index 041078 discrimination index 038064 remaining items statistically significant difference score value top 27 lowest 27 respondents t3 p005 items cronbachs 072077 corrected itemtotal correlation 033060 overall scale 077 efa indicated itemfactor loading higher 0680 accumulated variance contribution 3 factors 62484 results cfa showed overall fitness index model reached fitness standard except 2 value statistical significance total score scale scores item among groups different demographic characteristics p005 conclusions newly developed public health safety literacy scale good reliabilityvaliditystability item constancyit used measurement public health safety literacy university freshmen