Quality of Life Research

, Volume 17, Issue 8, pp 1073–1080 | Cite as

Insomnia: prevalence and its impact on excessive daytime sleepiness and psychological well-being in the adult Taiwanese population

  • Ching-Chiu Kao
  • Chun-Jen Huang
  • Mei-Yeh Wang
  • Pei-Shan Tsai
Article

Abstract

Objectives

This study examined the national age- and sex-specific prevalence rates of insomnia and excessive daytime sleepiness (EDS), the associations of insomnia symptoms with daytime consequences, and the impact of insomnia on EDS and psychological well-being.

Methods

Data of 36,743 men and women aged 18 years and above from the 2005 Survey of Social Development Trends—Health Security in Taiwan were analyzed.

Results

Over 25% of the Taiwanese adults experienced insomnia. Difficulty initiating sleep (14.6%) was the most common type of insomnia, followed by early morning awakening (13.9%) and difficulty maintaining sleep (13.4%). The risk of EDS was three times as high for individuals with insomnia as for those without (95% confidence interval of odds ratio: 2.77–3.71). Insomnia status predicted poor psychological well-being even after controlling for sociodemographic factors and health status.

Conclusions

Taiwanese adults had a high prevalence of insomnia. Insomnia contributed at least partially to an individual’s psychological well-being.

Keywords

Difficulty initiating sleep Difficulty maintaining sleep Early morning awakening Excessive daytime sleepiness Insomnia Psychological well-being 

Abbreviations

EDS

Excessive daytime sleepiness

EMA

Early morning awakening

DIS

Difficulty initiating sleep

DMS

Difficulty maintaining sleep

NT

Taiwanese dollar

OR

Odds ratio

χ2

Chi-square test

Notes

Acknowledgments

This study was sponsored by the Taipei Medical University-Wan Fang Hospital (96TMU-WFH-14). Data analyzed in this paper were collected by the 2005 Survey of Social Development Trends—Health Security conducted by the Directorate-General of Budget, Accounting and Statistics, Executive Yuan, Taiwan. The Center for Survey Research of Academia Sinica is responsible for the data distribution. The authors appreciate the assistance in providing data by the institutes aforementioned. The views expressed herein are the authors' own.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Ching-Chiu Kao
    • 1
    • 2
  • Chun-Jen Huang
    • 3
  • Mei-Yeh Wang
    • 4
  • Pei-Shan Tsai
    • 1
  1. 1.College of Nursing, Taipei Medical UniversityTaipeiTaiwan
  2. 2.Department of Nursing ServiceTaipei Medical University-Wan Fang Medical CenterTaipeiTaiwan
  3. 3.Department of AnesthesiologyMackay Memorial HospitalTaipeiTaiwan
  4. 4.Cardinal Tien College of Healthcare & ManagementTaipei CountyTaiwan

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