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Volume 13 No. 08
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Scientific Investigations

Self-Reported Sleep Quality, Duration, and Health-Related Quality of Life in Older Chinese: Evidence From a Rural Town in Suzhou, China

Chen-Wei Pan, MD, PhD1; Xiaoling Cong, Bsc2; Hui-Jun Zhou, MD, MSc, PhD3; Jing Li, PhD4; Hong-Peng Sun, PhD1; Yong Xu, MSc1; Pei Wang, MSc, PhD5,6
1Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu Province, China; 2Suzhou Vocational Health College, Suzhou, Jiangsu Province, China; 3National Healthcare Group, Singapore, Singapore; 4School of Public Health, Kunming Medical University, Kunming, Yunnan Province, China; 5School of Public Health, Fudan University, Shanghai, Shanghai, China; 6Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore

Study Objectives:

To determine the associations of self-reported sleep quality and duration with health-related quality of life (HRQOL) in older Chinese.

Methods:

We analyzed community-based cross-sectional data of 5,539 individuals aged 60 years and older in the Weitang Geriatric Disease Study. Information of sleep quality and duration were self-reported through participants' responses to predefined questions; HRQOL data were collected by using the European Quality of Life-5 Dimensions (EQ-5D). We estimated the associations of sleep quality and duration with the EQ-5D index and visual analog scale (VAS) scores using linear regression models. The associations between sleep quality and duration and EQ-5D–detected health problems were modeled using logistic regression.

Results:

In multiple linear models adjusting sociodemographic factors, health conditions, and lifestyle habits, both EQ-5D index and VAS scores declined with deterioration of sleep quality. The coefficients for poor and intermediate sleep quality were −0.053 (95% confidence interval [CI]:−0.065, −0.042) and −0.022 (95% CI: −0.030, −0.013), respectively, in relation to EQ-5D index score. They were −5.2 (95% CI: −6.7, −2.4) and − 3.8 (95% CI: −4.9, −2.7) in modeling the EQ-5D VAS score. HRQOL declined as sleep duration decreased below 7.01 hours or exceeded 8.01 hours, though most of the associations did not reach statistical significance. In multiple logistic models, poor sleep quality was associated with problems of mobility, pain/discomfort, and anxiety/ depression; short sleep duration was associated with mobility problems.

Conclusions:

Poor sleep quality and extreme sleep durations appeared to be negatively associated with HRQOL in older Chinese adults.

Citation:

Pan CW, Cong X, Zhou HJ, Li J, Sun HP, Xu Y, Wang P. Self-reported sleep quality, duration, and health-related quality of life in older Chinese: evidence from a rural town in Suzhou, China. J Clin Sleep Med. 2017;13(8):967–974.


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