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Death Literacy Index Short Form: Cultural Adaptation and Psychometric Evaluation of the Turkish Version
Vahide Semerci Çakmak1, Ebru Sönmez Sarı2, Ahmet Seven3
1Department of Internal Medicine Nursing, Faculty of Health Sciences, Tokat Gaziosmanpasa University, Tokat, Turkiye.
Abstract:
The aim of this study was to adapt the short form of Death Literacy Index (DLI-9) into Turkish and to examine its psychometric properties. This study has a methodological cross-sectional design. The study was conducted with a sample of 400 adults across Türkiye during October-November. Content Validity Index, Exploratory Factor Analysis (EFA), Confirmatory Factor Analysis (CFA), Convergent and Discriminant Validity Analyses, test-retest reliability, Cronbach's α-coefficient, item-total-score correlation, 27% upper-lower-group item analysis and Hotelling-T2 test were used in data analysis. In the EFA analysis, the scale consisted of 2 factors. The original two-factor structure of the scale was confirmed by CFA. CFA model fit values were found as CMIN/DF = 2.078, RMSEA = 0.074, RMR = 0.077, SRMR = 0.0455, CFI = 0.960, NFI = 0.927, TLI = 0.945, GFI = 0.946, and AGFI = 0.906. The total Cronbach's α reliability coefficient of the DLI-9 was found to be 0.84. This study indicates that scale is a reliable tool for evaluating death literacy in the Turkish population.
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