Italian validation of the Sleep Condition Indicator: A clinical screening tool to evaluate Insomnia Disorder according to DSM-5 criteria

Laura Palagini, Gloria Ragno, Lisa Caccavale, Alessia Gronchi, Michele Terzaghi, Mauro Mauri, Simon Kyle, Colin A. Espie, Raffaele Manni

Research output: Contribution to journalArticlepeer-review

Abstract

Study objectives: The present study investigated the validity, reliability and, as novel aspects, the temporal stability and discriminant validity of the Italian version of the Sleep Condition Indicator (SCI), a new brief tool to appraise Insomnia Disorder (ID) according to the new criteria of the DSM-5. Methods: Subjects with ID (DSM-5), Obstructive Sleep Apnea Syndrome (OSAS) (ICSD3) and a group of healthy subjects (H) were recruited. At the first evaluation (T1), SCI, the Insomnia Severity Index (ISI) and the Pittsburgh Sleep Quality Index (PSQI) were administered. ID patients also completed the SCI 2. months later (T2). Statistical analyses included Cronbach's alpha co-efficient calculation, Intraclass Correlation, Receiver Operating Characteristic (ROC) curves and Pearson correlations. Results: Eighty-eight ID (n= 50. F, mean age 49.9 ± 15.1. years), 43 OSAS (n= 22. F, mean age 50.2 ± 9.1. years) and 40. H (n= 22. F, 49.3 ± 13. years) were recruited at T1. SCI, PSQI and ISI scores were significantly higher in the ID group vs H and OSAS (both p. . 18 to correctly identify 100% of H, cut off of >. 17 the 100% of OSAS and

Original languageEnglish
Pages (from-to)435-440
Number of pages6
JournalInternational Journal of Psychophysiology
Volume98
Issue number3
DOIs
Publication statusPublished - Dec 1 2015

Keywords

  • Chronic insomnia
  • Diagnosis
  • Discriminant tool
  • Evaluation

ASJC Scopus subject areas

  • Neuroscience(all)
  • Physiology (medical)
  • Neuropsychology and Physiological Psychology

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