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Restless Legs Syndrome in a Community Sample of Korean Adults: Prevalence, Impact on Quality of Life, and Association with DSM-IV Psychiatric Disorders

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Authors
Cho, Seong-Jin; Hong, Jin Pyo; Hahm, Bong-Jin; Jeon, Hong Jin; Cho, Maeng Je; Lee, Hochang B.; Chang, Sung Man
Issue Date
2009-08-01
Publisher
AMER ACAD SLEEP MEDICINE
Citation
SLEEP; Vol.32 8; 1069-1076
Keywords
Restless legs syndromeassociationprevalencequality of lifepsychiatric disorder
Abstract
Study Objectives: Conflicting reports on prevalence of RLS exist in Asian countries due to differences in sampling strategies and assessment instruments. We assessed the prevalence, correlates, quality of life, and psychiatric comorbidity of RLS in South Korea. Design/setting: Cross-sectional nationwide survey. Participants: Nationally representative sample of 6,509 Korean adults aged 18-64. Measurement & Results: Face-to-face interviews based on the Korean translation of the four features of RLS defined by the International RLS Study Group (IRLSSG), the Korean version of Composite International Diagnostic Interview (K-CIDI), and EuroQol (EQ-5D) were conducted for all participants. The weighted prevalence of RLS in South Korea was 0.9% (men, 0.6%; women, 1.3%). Subjects with RLS had a lower quality of life according to EQ-5D than those without RLS. Adjusted odds ratio for lifetime diagnosis of DSM-IV major depressive disorder (2.57, 95% confidence interval [1.33, 4.96]), panic disorder (18.9 [4.72, 75.9]) and posttraumatic stress disorder (3.76 [1.32, 10.7]) suggest strong association between RLS and DSM-IV depression and anxiety disorders. Conclusions: Prevalence of RLS estimated based on the IRLSSG diagnostic criteria is substantially lower in South Korea than in Western countries. Differences in culture and risk factors that affect the expression of RLS may vary across the countries.
ISSN
0161-8105
Language
English
URI
http://hdl.handle.net/10371/78578
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College of Medicine/School of Medicine (의과대학/대학원)Psychiatry (정신과학전공)Journal Papers (저널논문_정신과학전공)
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