NDLI: Development and reliability and validity testing of a medication literacy scale for medical college students

Content Provider	Springer Nature : BioMed Central
Author	Leixiao, Zeng Xiaonan, Sun Lutong, Pan Wenjing, Gu Chang, Xiao Jingqi, Tang Wenting, Dai Xiuqin, Kang Yibo, Wu
Abstract	Background Irrational drug use has become a global problem threatening human health. As future health professionals, medical college students’ medication literacy (ML) is critical. Their mastery of medication-related knowledge will directly affect public medication safety in the future. Methods The initial scale was developed through a literature review and was modified through expert consultation and student interviews to form the initial scale with 14 items. In 2020, a questionnaire survey was conducted among students in a medical college for item analysis, reliability test, validity test and other analyses. Results The total Cronbach’s α coefficient was 0.826 and split-half reliability was 0.852. The Cronbach’s α coefficients for functional medication literacy, communicative medication literacy, and critical medication literacy were 0.901, 0.858, and 0.851, respectively. The item-level content validity index (I-CVI) ranged from 0.833 to 1.000 (≥ 0.78). Factor analysis of 14 items showed that KMO = 0. 852(> 0.7) and Bartlett’s spherical test p < 0.001, indicating that the data are very suitable for factor analysis. Three principal axis factors were extracted by principal component analysis, and the total variance interpretation rate was 69.031% (> 40%). The confirmatory factor analysis identified a three-factor model and showed goodness of fit indices for the scale: The χ²/df = 2.623, The Goodness of Fit Index (GFI) = 0.905, The Comparative Fit Index (CFI) = 0.950, Normed Fit Index (NFI) = 0.922, Tucker-Lewis index (TLI) = 0.938, and The Root Mean Square Error of Approximation (RMSEA) = 0.078. Conclusion A new scale for evaluating the medication literacy of Chinese medical college students was preliminarily developed, demonstrating good reliability and validity. Itcan be used as a preliminary measurement tool for assessing medical students’ medication literacy. However, due to the limitations of this study, the practical application of the scale needs to be further examined in a larger sample and should be refined in future studies.
Related Links	https://bmcmededuc.biomedcentral.com/counter/pdf/10.1186/s12909-024-06222-3.pdf
Ending Page	13
Page Count	13
Starting Page	1
File Format	HTM / HTML
ISSN	14726920
DOI	10.1186/s12909-024-06222-3
Journal	BMC Medical Education
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-10-31
Access Restriction	Open
Subject Keyword	Medical Education Theory of Medicine Bioethics Medication literacy Scale Reliability Validity Theory of Medicine/Bioethics
Content Type	Text
Resource Type	Article
Subject	Education Medicine
Journal Impact Factor	2.7/2023
5-Year Journal Impact Factor	3.4/2023

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