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

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
Laura PalaginiRaffaele Manni

Abstract

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. 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 2months later (T2). Statistical analyses included Cronbach's alpha co-efficient calculation, Intraclass Correlation, Receiver Operating Characteristic (ROC) curves and Pearson correlations. 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<.001). ROC analysis revealed cut off of >18 to correctly identify 100% of H, cut off of >17 the 100% of OSAS and <17 the 100% of ID. Cronbach's alpha were 0.71 at T0, 0.78 at T2 for ID, 0.76 and 0.81 respectively for H and OSAS. SCI sho...Continue Reading

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Citations

May 3, 2016·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Scott A Baldwin
Dec 2, 2017·Journal of Sleep Research·Colin A EspieAnnemarie I Luik
Jun 12, 2019·Cranio : the Journal of Craniomandibular Practice·Giovanni GaleotoMarco Paoloni
Sep 2, 2020·Cranio : the Journal of Craniomandibular Practice·Giovanni GaleotoMarco Paoloni
Jul 24, 2020·International Journal of Environmental Research and Public Health·Nicola MagnavitaReparata Rosa Di Prinzio
Nov 12, 2020·International Journal of Environmental Research and Public Health·Nicola MagnavitaMassimo Antonelli
Jul 25, 2021·International Journal of Environmental Research and Public Health·Nicola MagnavitaMassimo Antonelli
Jul 2, 2021·Neurorehabilitation and Neural Repair·Melanie K FlemingHeidi Johansen-Berg

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