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Psychometric Properties and Validation of Persian Version of Quality of Life in Epilepsy Inventory (Qolie-89)



Ebrahimi A1 ; Barekatain M2 ; Bornamanesh A3 ; Najaf MR4 ; Salehzadeh M5 ; Maracy MR6
Authors
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Authors Affiliations
  1. 1. Behavioral Sciences Research Center, Department of Psychiatry, School of Medicine, Alzahra Haspital, Isfahan University of Medical Sciences, Iran
  2. 2. Psychosomatic Research Center, Alzahra Haspital, Isfahan University of Medical Sciences, Iran
  3. 3. Behavioral Sciences Research Center, Alzahra Haspital, Isfahan University of Medical Sciences, Iran
  4. 4. Department of Neurology, Alzahra Haspital, Isfahan University of Medical Sciences, Iran
  5. 5. Department of psychology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Research in Medical Sciences Published:2013

Abstract

Background: Several epilepsy-specific quality of life questionnaires have been developed. One of them is quality of life in epilepsy-89 version. The objective of this study was to develop a Persian version of QOLE-89 and confirm its psychometric properties. Materials and Methods: Participants were 75 patients with epilepsy. The quality of life questionnaire was adapted to Persian language through a translation and translation-back procedure. Internal consistency by Cronbach's α, was determined and construct validity was assessed by correlation with GHQ-12 and BDI-PC and discriminant validity was confirmed by comparing scores for known groups. Results: Reliability based on internal consistency (Cronbach> α) for QOIE-89 was 0/96 and for 17 subscales was varied form 0/70 to 0/89 and Test-retest reliability (Pearson's correlation coefficient) for the Farsi version of the QOLIE-89 ranged from 0.75 to 0.88. Total score of QOLIE-89 discriminated well between the patients according to depression severity and drug resistance and seizure controllability. Correlation between the total scores, BDI-PC and GHQ-R to confirm construct validity was 0/55 and 0/63, respectively. Conclusion: In this cross-sectional survey, Persian version of the QOLIE-89 was reliable and showed properties supporting the construct and discriminant validity at a level comparable with the original and some other versions. Thus, this questionnaire has suitable properties in Iranian population and can be used in clinical trials with epileptic patients.
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