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Related Experiment Videos

A new questionnaire to detect sleep disorders.

Thomas Roth1, Gary Zammit, Clete Kushida

  • 1Henry Ford Sleep Center, 2799 West Grand Boulevard, CFP-3, Detroit, MI 48202, USA. troth1@hfhs.org

Sleep Medicine
|November 1, 2003
PubMed
Summary

The Global Sleep Assessment Questionnaire (GSAQ) effectively screens for various sleep disorders, demonstrating reliability and validity. This tool can help identify conditions like insomnia and sleep apnea in clinical settings.

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Area of Science:

  • Sleep Medicine
  • Diagnostic Tools
  • Clinical Psychology

Background:

  • Sleep disorders are frequently undiagnosed in the general population, leading to significant health burdens.
  • Early and accurate identification of sleep disorders is crucial for effective patient management and treatment.

Purpose of the Study:

  • To evaluate the Global Sleep Assessment Questionnaire (GSAQ) for its ability to distinguish between different sleep disorders.
  • To assess the GSAQ's reliability and validity as a screening tool for sleep disorders.
  • To determine the GSAQ's utility as a practical, user-friendly screening instrument in primary care and sleep centers.

Main Methods:

  • 212 adults from sleep centers and primary care clinics completed the GSAQ and underwent specialist diagnosis.

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  • Test-retest reliability was assessed in 91 participants.
  • Sensitivity and specificity were calculated using clinical diagnosis as the gold standard.

    • Main Results:

    • The GSAQ demonstrated good test-retest reliability (0.51–0.92).
    • The questionnaire effectively discriminated between various sleep disorders, including primary insomnia, insomnia with a mental disorder, obstructive sleep apnea, periodic limb movement disorder, and parasomnia.
    • High sensitivities were observed for most disorders, with specificities ranging from 49% to 58%.

    Conclusions:

    • The GSAQ shows promise as a tool to aid in the recognition of sleep disorders.
    • Further research is recommended to validate the GSAQ's predictive value in primary care settings.