Haseli-Mashhadi, Nazanin, Dadd, Tony, Pan, An, Yu, Zhijie, Lin, Xu and Franco, Oscar H.. (2009) Sleep quality in middle-aged and elderly Chinese: distribution, associated factors and associations with cardio-metabolic risk factors. BMC Public Health, Vol.9 . Article: 130. ISSN 1471-2458

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Abstract

Background: Poor sleep quality has been associated with increased risk of heart disease, diabetes and mortality. However, limited information exists on the distribution and determinants of sleep quality and its associations with cardio-metabolic risk factors in Chinese populations. We aimed to evaluate this in the current study. Methods: A cross-sectional survey conducted in 2005 of 1,458 men and 1,831 women aged 5070 years from urban and rural areas of Beijing and Shanghai. Using a questionnaire, sleep quality was measured in levels of well, common and poor. Comprehensive measures of socio-demographical and health factors and biomarkers of cardio-metabolic disease were recorded. These were evaluated in association with sleep quality using logistic regression models. Results: Half of the population reported good sleep quality. After adjusting for potential confounders, women and Beijing residents had almost half the probability to report good sleep quality. Good physical and mental health (good levels of self-rated health (OR 2.48; 95% CI 2.08 to 2.96) and no depression (OR 4.05; 95% CI 3.12 to 5.26)) related to an increased chance of reporting good sleep quality, whereas short sleep duration (<7 hrs OR 0.10; 95% CI 0.07 to 0.14)) decreased it substantially. There were significant associations between levels of sleep quality and concentrations of plasma insulin, total and LDL cholesterol, and index of insulin resistance. Conclusion: Levels of good sleep quality in middle-age and elderly Chinese were low. Gender, geographical location, self-rated health, depression and sleep quantity were major factors associated with sleep quality. Prospective studies are required to distil the factors that determine sleep quality and the effects that sleep patterns exert on cardio-metabolic health.

Item Type:	Journal Article
Subjects:	R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions:	Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School
Journal or Publication Title:	BMC Public Health
Publisher:	BioMed Central Ltd.
ISSN:	1471-2458
Date:	9 May 2009
Volume:	Vol.9
Number of Pages:	11
Page Range:	Article: 130
Identification Number:	10.1186/1471-2458-9-130
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Funder:	Chief Scientist Program of Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Knowledge Innovation Program of the Chinese Academy of Sciences, Shanghai-Unilever Research Development Fund
Grant number:	SIBS2008006, KSCX1-YW-02, KSCX1-YW-R-116, CH2006-0941
URI:	http://wrap.warwick.ac.uk/id/eprint/27807

Data sourced from Thomson Reuters' Web of Knowledge

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