Who is at risk for having persistent insomnia symptoms? A longitudinal study in the general population in Korea

Sooyeon Suh, Hae Chung Yang, Christopher P. Fairholme, Hyun Kim, Rachel Manber, Chol Shin

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Objectives: Our study had three goals: (1) to investigate the longitudinal course of insomnia symptoms over 4. years (3 time points) by analyzing the trajectory of insomnia symptoms for all participants, (2) to compare persistent insomnia symptom to nonpersistent insomnia symptom groups on mental health and quality of life (QoL), and (3) to conduct exploratory analyses on the relative contribution of multiple factors to persistence of insomnia symptoms. Methods: Our population-based longitudinal study utilized a community-based sample from the Korean Genome and Epidemiology study (KoGES). Participants were 1247 individuals (40.1% men; mean age, 54.3 ± 7.1 years). Insomnia, QoL (measured by 12-item Short-Form health survey [SF-12]), sleep-interfering behaviors, and depression (measured by the Beck Depression Inventory [BDI]) were followed with biennial examinations at 3 data points spaced 2. years apart (baseline, time 1, and time 2). Results: Among individuals experiencing insomnia symptoms at baseline, the most common trajectory was to experience persistent nocturnal insomnia symptoms across all 3 time points. Those with persistent insomnia symptoms had significantly lower physical and mental QoL (measured by SF-12) and higher depression (measured by BDI) at time points compared to those without persistent nocturnal insomnia symptoms. A follow-up exploratory receiver operating characteristic curve (ROC) analysis identified poor sleep quality, frequent sleep-interfering behaviors, and low mental health QoL as the strongest predictors of persistent insomnia symptoms above other well-known risk factors. Conclusions: In particular, an interaction between poor sleep quality, sleep-interfering behaviors, and mental health QoL appeared to be the strongest risk factor for persistent insomnia symptoms.

Original languageEnglish
Pages (from-to)180-186
Number of pages7
JournalSleep Medicine
Volume15
Issue number2
DOIs
Publication statusPublished - 2014 Feb 1

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Sleep Initiation and Maintenance Disorders
Korea
Longitudinal Studies
Population
Sleep
Quality of Life
Depression
Mental Health
Equipment and Supplies
Health Surveys
ROC Curve
Epidemiology
Genome

Keywords

  • Epidemiology
  • Insomnia
  • Longitudinal
  • Mental health
  • Quality of life
  • Sleep

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Who is at risk for having persistent insomnia symptoms? A longitudinal study in the general population in Korea. / Suh, Sooyeon; Yang, Hae Chung; Fairholme, Christopher P.; Kim, Hyun; Manber, Rachel; Shin, Chol.

In: Sleep Medicine, Vol. 15, No. 2, 01.02.2014, p. 180-186.

Research output: Contribution to journalArticle

Suh, Sooyeon ; Yang, Hae Chung ; Fairholme, Christopher P. ; Kim, Hyun ; Manber, Rachel ; Shin, Chol. / Who is at risk for having persistent insomnia symptoms? A longitudinal study in the general population in Korea. In: Sleep Medicine. 2014 ; Vol. 15, No. 2. pp. 180-186.
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