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Evaluation of Severity Levels of the Athens Insomnia Scale Based on the Criterion of Insomnia Severity Index

Author

Listed:
  • Isa Okajima

    (Department of Psychological Counseling, Faculty of Humanities, Tokyo Kasei University, Tokyo 173-8602, Japan
    Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Towa Miyamoto

    (Department of Psychiatry, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Ayaka Ubara

    (Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan
    Graduate School of Psychology, Doshisha University, Kyoto 610-0394, Japan
    JSPS Research Fellowships, Tokyo 102-0083, Japan)

  • Chie Omichi

    (Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan
    Department of Psychiatry, Graduate School of Medical Science, Kyoto Prefectural, University of Medicine, Kyoto 602-8566, Japan)

  • Arichika Matsuda

    (Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Yukiyoshi Sumi

    (Department of Psychiatry, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Masahiro Matsuo

    (Department of Psychiatry, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Kazuki Ito

    (Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan
    Department of Anesthesiology, Shiga University of Medical Science, Shiga 520-2192, Japan)

  • Hiroshi Kadotani

    (Department of Sleep and Behavioral Sciences, Shiga University of Medical Science, Shiga 520-2192, Japan)

Abstract

The Athens Insomnia Scale (AIS) can be regarded as a highly useful instrument in both clinical and research settings, except for when assessing the severity level. This study aims to determine the severity criteria for AIS by using the Insomnia Severity Index (ISI). A total of 1666 government employees aged 20 years or older were evaluated using the AIS and ISI, the Patient Health Questionnaire for depressive symptoms, the Epworth Sleepiness Scale for daytime sleepiness, and the Short Form Health Survey of the Medical Outcomes Study for health-related quality of life (QoL). A significant positive correlation ( r ) was found between the AIS and the ISI ( r = 0.80, p < 0.001). As a result of describing receiver–operator curves, the severity criteria of the AIS are capable of categorizing insomnia severity as follows: absence of insomnia (0–5), mild insomnia (6–9), moderate insomnia (10–15), and severe insomnia (16–24). In addition, compared to all scales across groups categorized by AIS or ISI, it was revealed that similar results could be obtained (all p < 0.05). Therefore, the identification of the severity of AIS in this study is important in linking the findings of epidemiological studies with those of clinical studies.

Suggested Citation

  • Isa Okajima & Towa Miyamoto & Ayaka Ubara & Chie Omichi & Arichika Matsuda & Yukiyoshi Sumi & Masahiro Matsuo & Kazuki Ito & Hiroshi Kadotani, 2020. "Evaluation of Severity Levels of the Athens Insomnia Scale Based on the Criterion of Insomnia Severity Index," IJERPH, MDPI, vol. 17(23), pages 1-9, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:23:p:8789-:d:451631
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    Citations

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    Cited by:

    1. Tiberiu Constantin Ionescu & Bogdana Ioana Fetecau & Stefan Zaharia & Elma-Maria Mînecan & Catalina Tudose, 2023. "Sleepless Pandemic: A Cross-Sectional Analysis of Insomnia Symptoms among Professionally Active Romanians during the COVID-19 Pandemic," Sustainability, MDPI, vol. 15(2), pages 1-16, January.
    2. Kazuki Ito & Hiroshi Kadotani & Isa Okajima & Ayaka Ubara & Mamoru Ichikawa & Chie Omichi & Towa Miyamoto & Arichika Matsuda & Yukiyoshi Sumi & Hirotoshi Kitagawa, 2021. "Large Questionnaire Survey on Sleep Duration and Insomnia Using the TV Hybridcast System by Japan Broadcasting Corporation (NHK)," IJERPH, MDPI, vol. 18(5), pages 1-10, March.

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