Internet-Based Survey of Factors Associated with Subjective Feeling of Insomnia, Depression, and Low Health-Related Quality of Life Among Japanese Adults with Sleep Difficulty

Sayaka Aritake, Shoichi Asaoka, Tatsuo Kagimura, Akiyoshi Shimura, Kunihiro Futenma, Yoko Komada, Yuichi Inoue*

*この研究の対応する著者

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Background: This study was conducted to determine what symptom components or conditions of insomnia are related to subjective feelings of insomnia, low health-related quality of life (HRQOL), or depression. Method: Data from 7,027 Japanese adults obtained using an Internet-based questionnaire survey was analyzed to examine associations between demographic variables and each sleep difficulty symptom item on the Pittsburgh Sleep Quality Index (PSQI) with the presence/absence of subjective insomnia and scores on the Short Form-8 (SF-8) and Center for Epidemiologic Studies Depression Scale (CES-D). Conclusion: Among insomnia symptom components, disturbed sleep quality and sleep onset insomnia may be specifically associated with subjective feelings of the disorder. The existence of a depressive state could be significantly associated with not only subjective insomnia but also mental and physical QOL. Our results also suggest that different components of sleep difficulty, as measured by the PSQI, might be associated with mental and physical QOL and depressive status. Results: Prevalence of subjective insomnia was 12.2 % (n = 860). Discriminant function analysis revealed that item scores for sleep quality, sleep latency, and sleep medication use on the PSQI and CES-D showed relatively high discriminant function coefficients for identifying positivity for the subjective feeling of insomnia. Among respondents with subjective insomnia, a low SF-8 physical component summary score was associated with higher age, depressive state, and PSQI items for sleep difficulty and daytime dysfunction, whereas a low SF-8 mental component summary score was associated with depressive state, PSQI sleep latency, sleeping medication use, and daytime dysfunction. Depressive state was significantly associated with sleep latency, sleeping medication use, and daytime dysfunction.

本文言語English
ページ(範囲)233-238
ページ数6
ジャーナルInternational Journal of Behavioral Medicine
22
2
DOI
出版ステータスPublished - 2015

ASJC Scopus subject areas

  • 応用心理学
  • 医学(全般)

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