Articlegold2013

Prevalence of insomnia and associated factors in a community sample of elderly individuals in South Korea

Won‐Hyoung Kim · Byung‐Soo Kim · Shyn-Kyum Kim · Sung‐Man Chang · Dong Woo Lee · Maeng‐Je Cho +1 more

58 citations0/0 files storedInternational Psychogeriatrics

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Abstract

BACKGROUND: Insomnia is a common psychiatric complaint among elderly individuals. This study investigates the prevalence and sociodemographic correlates of insomnia by considering a community sample of elderly individuals in South Korea. METHODS: A face-to-face household survey was conducted in five regions of South Korea from June 2008 to August 2008. Among a total of 3,074 individuals aged 65 years and over, 2,002 participants were interviewed. The presence of insomnia was defined as having at least one of four sleep complaints that included difficulty in initiating sleep (DIS), difficulty in maintaining sleep (DMS), early morning awakening (EMA), and non-restorative sleep (NRS) more than three times per week in the last month. The Restless Legs Syndrome (RLS) Questionnaire, a short form of the Geriatric Depression scale (GDS), and a medical review of systems were implemented. RESULTS: Insomnia was found in 29.2% of the participants. DIS, DMS, EMA, and NRS accounted for 19.4%, 21.7%, 19.6%, and 8.0% of the participants respectively. Insomnia accompanied by daytime consequences accounted for 17.1% of the participants. The participants who were females, had no education, lived alone, showed symptoms of RLS or depression, and had a lifetime history of physical illness were significantly more likely to report insomnia. The prevalence of DIS, DMS, EMA, or insomnia increased slightly with age, whereas that of NRS decreased slightly. The lifetime history of head trauma, hyperlipidemia, heart disease, anemia, or depression was significantly related to insomnia. CONCLUSION: Sleep problems are common among elderly individuals and are closely related to their lifetime history of physical illness.

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References

2004Prevalence, Severity, and Unmet Need for Treatment of Mental Disorders in the World Health Organization World Mental Health Surveys 2004Development of the Korean version of the Geriatric Depression Scale and its short form among elderly psychiatric patients 2000Sleep Complaints and Depression in an Aging Cohort: A Prospective Perspective 1997Prevalence of DSM-IV diagnostic criteria of insomnia: Distinguishing insomnia related to mental disorders from sleep disorders 2006Sleep Problems, Comorbid Mental Disorders, and Role Functioning in the National Comorbidity Survey Replication 2000Sleep loss and daytime sleepiness in the general adult population of Japan 2009Association of insomnia with quality of life, work productivity, and activity impairment 2002Prevalence of insomnia and associated factors in South Korea

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