The use of the NDDI-E in Arabic to identify symptoms of depression of moderate or greater severity in people with epilepsy

Hadeel A. Alkhamees, Caroline E. Selai, Simon D. Shorvon, Andres M. Kanner

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Aim: The aims of the current study were to translate and to validate the NDDI-E to the Arabic language to be used as a screening instrument to identify moderately severe symptoms of depression in people with epilepsy. Methods: The English version of the NDDI-E was translated to Arabic and back translated to English by two independent translators. A total of 51 patients, aged 18-56. years old, with a diagnosis of epilepsy, completed the Arabic versions of the Beck Depression Inventory (BDI-II) and the NDDI-E. Patients with BDI scores >. 20 were considered to be suffering from moderately severe depressive symptoms. Cutoff scores, sensitivity, specificity, and positive and negative predictive values of the NDDI-E to identify symptomatic patients on the BDI were calculated. Results: A sensitivity of 93.33% and a specificity of 94.44% were found with NDDI-E total scores >. 15. The positive predictive value was 87.5%, and the negative predictive value was 97.14%. Spearman's rank correlation between the BDI and the NDDI-E was high (r. = .78, p. = 0.000, N. = 51). Internal consistency was at 0.926 (Cronbach's alpha). Conclusion: The Arabic version of the NDDI-E appears to be a reliable and sensitive instrument in the identification of moderately severe or severe depressive symptoms in people with epilepsy, and it can be used with all Arabic-speaking patients.

Original languageEnglish (US)
Pages (from-to)55-58
Number of pages4
JournalEpilepsy and Behavior
Volume32
DOIs
StatePublished - Mar 2014

Keywords

  • Arabic validation
  • Depression screening
  • Epilepsy
  • NDDI-E

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology
  • Behavioral Neuroscience

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