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Title: Prevalence and determinants of excessive daytime sleepiness in an Asian multi-ethnic population
Authors: Ng, T.P. 
Tan, W.C. 
Keywords: Breathing pauses
Excessive daytime sleepiness
Issue Date: Nov-2005
Citation: Ng, T.P., Tan, W.C. (2005-11). Prevalence and determinants of excessive daytime sleepiness in an Asian multi-ethnic population. Sleep Medicine 6 (6) : 523-529. ScholarBank@NUS Repository.
Abstract: Background and purpose: To investigate the prevalence and determinants of daytime sleepiness in an Asian multi-ethnic population. Cross-sectional survey based on a questionnaire in multi-ethnic Asian adult population of Singapore (2.4 million). Patients and methods: Measured frequency of excessive daytime sleepiness (EDS), socio-demographic status, sleep duration, perceived sleep insufficiency, frequent awakenings, difficulty falling asleep, snoring, breathing pauses, GHQ-12, shift work, solvent exposure at work, substance use, medications, and chronic diseases in random sample of 2298 adults, aged 20-74 years, representing Chinese, Malays and Indians. Results: Among the respondents, 10.8% reported usually feeling sleepy in the daytime, and 9.0% were classified as having EDS. Marked ethnic difference was observed, with higher rates of EDS in Malays and Chinese, compared to Indians. Increased risk of EDS was associated with perceived sleep insufficiency; snoring and breathing pauses; shift work and solvent exposure at work; psychiatric morbidity and chronic diseases, particularly chronic rhinitis; and medications with sedating effects. Conclusions: Daytime sleepiness is associated with a multiplicity of highly prevalent risk factors in the community, including sleep behavior, breathing-, work- and medically related factors. Significant ethnic differences, which were not explained by these factors, were observed between Chinese, Malays and Indians. © 2005 Elsevier B.V. All rights reserved.
Source Title: Sleep Medicine
ISSN: 13899457
DOI: 10.1016/j.sleep.2005.01.007
Appears in Collections:Staff Publications

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