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Psychometric Properties of the Death Anxiety Scale-Extended Among Patients With End-Stage Renal Disease Publisher Pubmed



Sharif Nia H1 ; Pahlevan Sharif S2 ; Koocher GP3 ; Yaghoobzadeh A4 ; Haghdoost AA5 ; Mar Win MT6 ; Soleimani MA7
Authors
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Authors Affiliations
  1. 1. School of Nursing and Midwifery Amol, Mazandaran University of Medical Sciences, Sari, Iran
  2. 2. Taylor’s Business School, Taylor’s University, Subang Jaya, Malaysia
  3. 3. College of Science and Health, DePaul University, Chicago, IL, United States
  4. 4. Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Modeling Research Center in Health, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Iran
  6. 6. Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
  7. 7. Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Iran

Source: Omega (United States) Published:2020


Abstract

This study aimed to evaluate the validity and reliability of the Persian version of Death Anxiety Scale-Extended (DAS-E). A total of 507 patients with end-stage renal disease completed the DAS-E. The factor structure of the scale was evaluated using exploratory factor analysis with an oblique rotation and confirmatory factor analysis. The content and construct validity of the DAS-E were assessed. Average variance extracted, maximum shared squared variance, and average shared squared variance were estimated to assess discriminant and convergent validity. Reliability was assessed using Cronbach’s alpha coefficient (α =.839 and.831), composite reliability (CR =.845 and.832), Theta (θ =.893 and.867), and McDonald Omega (Ω =.796 and.743). The analysis indicated a two-factor solution. Reliability and discriminant validity of the factors was established. Findings revealed that the present scale was a valid and reliable instrument that can be used in assessment of death anxiety in Iranian patients with end-stage renal disease. © The Author(s) 2017.
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