Validation of the Pittsburgh Sleep Quality Index Hebrew translation (PSQI-H) in a sleep clinic sample

Tamar Shochat, Orna Tzischinsky, Arie Oksenberg, Ron Peled

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The Pittsburgh Sleep Quality Index is a standardized self-administered questionnaire for the assessment of subjective sleep quality. It has been translated into several languages and is widely used in clinical research studies. Objectives: To assess the reliability and validity of the Pittsburgh Sleep Quality Index Hebrew translation in a sleep clinic sample and in comparison with the Technion Mini Sleep Questionnaire. Methods: The PSQI was translated into Hebrew based on standard guidelines. The final Hebrew version (PSQI-H) was administered to 450 patients from two sleep clinics and to 61 healthy adults from the community as a non-clinical control sample. The MSQ was administered to 130 patients in one sleep clinic. Results: For the PSQI-H, Cronbach's-alpha scores for sleep clinic and non-clinical samples were 0.70 and 0:52 respectively and 0.72 combined. Clinical sample scores were significantly higher than the non-clinical group, indicating lower sleep quality for the former. Significant correlations were found between the MSQ subscores and PSQI-H component scores for common underlying constructs. Conclusions: The PSQI-H differentiated between clinical and non-clinical samples and showed adequate reliability and good validity. It may be used as a standardized tool for the assessment of subjective sleep quality in clinical research studies conducted in the Hebrew-speaking population.

Original languageEnglish
Pages (from-to)853-856
Number of pages4
JournalIsrael Medical Association Journal
Volume9
Issue number12
StatePublished - Dec 2007

Keywords

  • Hebrew
  • Insomnia
  • Pittsburgh Sleep Quality Index
  • Sleep clinic
  • Sleep quality

ASJC Scopus subject areas

  • Medicine (all)

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