Psychometric properties of the death anxiety scale-extended among patients with end-stage renal disease

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SHARIF NIA, Hamid | PAHLEVAN SHARIF, Saeed | KOOCHER, Gerald P. | YAGHOOBZADEH, Ameneh | HAGHDOOST, Ali Akbar | MAR WIN, Ma Thin | SOLEIMANI, Mohammad Ali

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 (a = .839 and .831), composite reliability (CR = .845 and .832), Theta ( = .893 and .867), and McDonald Omega (O = .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.

http://dx.doi.org/10.1177/0030222817733220

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