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Validation of a Brief Insomnia Severity Measure in Youth Clinically Referred for Sleep Evaluation

Kelly C Byars1,2,3, Stacey L Simon4, James Peugh2,3

  • 1Pulmonary Medicine, Cincinnati Children's Hospital Medical Center.

Journal of Pediatric Psychology
|October 4, 2016
PubMed

Insights

The Pediatric Insomnia Severity Index (PISI) shows preliminary reliability and validity in a large pediatric sample. This brief measure is useful for assessing insomnia severity in children.

Area of Science:

  • Pediatric Sleep Medicine
  • Psychometrics
  • Child Psychology

Background:

  • Insomnia is a prevalent sleep disorder in children.
  • Brief, reliable measures are needed for clinical assessment of pediatric insomnia.
  • The Pediatric Insomnia Severity Index (PISI) was developed as a concise tool.

Purpose of the Study:

  • To evaluate the psychometric properties of the Pediatric Insomnia Severity Index (PISI).
  • To assess the reliability and validity of the PISI in a clinical pediatric population.

Main Methods:

  • 462 clinically referred youth and their caregivers completed sleep evaluations.
  • The PISI, Children's Sleep Habits Questionnaire, and a sleep disorders inventory were administered.
  • Confirmatory factor analysis (CFA), reliability, and validity tests were performed.

Main Results:

  • A two-factor model demonstrated optimal fit for the PISI.
  • Convergent and discriminant validity of PISI factors were supported.
  • Internal consistency measures varied, and insomnia severity differed by diagnosis.

Conclusions:

  • The PISI demonstrates preliminary reliability and validity in a large pediatric sample.
  • The PISI is a clinically useful, brief measure for assessing insomnia severity in children.
  • Findings support the PISI's utility in pediatric sleep evaluations.
Abstract

Keywords:
adolescentsassessmentchildrensleep

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