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Original ArticlesChronic Kidney Disease
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Sleep Duration and Health-Related Quality of Life in Predialysis CKD

Su-Ah Sung, Young Youl Hyun, Kyu Beck Lee, Hayne Cho Park, Wookyung Chung, Yeong Hoon Kim, Yong-Soo Kim, Sue Kyung Park, Kook-Hwan Oh and Curie Ahn; on behalf of the KNOW-CKD Study Investigators
CJASN June 2018, 13 (6) 858-865; DOI: https://doi.org/10.2215/CJN.11351017
Su-Ah Sung
1Department of Internal Medicine, Eulji General Hospital, Seoul, Korea;
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Young Youl Hyun
2Division of Nephrology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea;
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Kyu Beck Lee
2Division of Nephrology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea;
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Hayne Cho Park
3Department of Internal Medicine, Armed Forces Capital Hospital, Seongnam, Korea;
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Wookyung Chung
4Department of Internal Medicine, Gil Hospital, Gachon University, Incheon, Korea;
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Yeong Hoon Kim
5Department of Internal Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea;
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Yong-Soo Kim
6Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea;
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Sue Kyung Park
7Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea; and
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Kook-Hwan Oh
8Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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Curie Ahn
8Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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Abstract

Background and objectives Sleep duration has been associated with cardiometabolic risk and mortality. The health-related quality of life represents a patient’s comprehensive perception of health and is accepted as a health outcome. We examined the relationship between sleep duration and health-related quality of life in predialysis CKD.

Design, setting, participants, & measurements In this cross-sectional study, data from 1910 adults with CKD enrolled in the Korean Cohort Study for Outcome in Patients with CKD were analyzed. Health-related quality of life was assessed with the physical component summary and mental component summary of the Short Form-36 Health Survey. Low health-related quality of life was defined as a Short Form-36 Health Survey score >1 SD below the mean. Using a generalized additive model and multivariable logistic regression analysis, the relationship between self-reported sleep duration and health-related quality of life was examined.

Results Seven-hour sleepers showed the highest health-related quality of life. We found an inverted U-shaped relationship between sleep duration and health-related quality of life as analyzed by a generalized additive model. In multivariable logistic analysis, short sleepers (≤5 h/d) had lower health-related quality of life (odds ratio, 3.23; 95% confidence interval, 1.86 to 5.60 for the physical component summary; odds ratio, 2.37; 95% confidence interval, 1.43 to 3.94 for the mental component summary), and long sleepers (≥9 h/d) had lower health-related quality of life (odds ratio, 2.80; 95% confidence interval, 1.55 to 5.03 for the physical component summary; odds ratio, 2.08; 95% confidence interval, 1.20 to 3.60 for the mental component summary) compared with 7-hour sleepers. Sleep duration had a significant U-shaped association with low health-related quality of life.

Conclusions These findings suggest that short or long sleep duration is independently associated with low health-related quality of life in adults with CKD.

  • Adult
  • chronic kidney disease
  • Cohort Studies
  • Cross-sectional Studies
  • Humans
  • Logistic Models
  • Perception
  • quality of life
  • Renal Insufficiency, Chronic
  • Self Report
  • Sleep
  • Sleep Duration
  • Time Factors
  • Received October 10, 2017.
  • Accepted March 7, 2018.
  • Copyright © 2018 by the American Society of Nephrology
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Clinical Journal of the American Society of Nephrology: 13 (6)
Clinical Journal of the American Society of Nephrology
Vol. 13, Issue 6
June 07, 2018
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Sleep Duration and Health-Related Quality of Life in Predialysis CKD
Su-Ah Sung, Young Youl Hyun, Kyu Beck Lee, Hayne Cho Park, Wookyung Chung, Yeong Hoon Kim, Yong-Soo Kim, Sue Kyung Park, Kook-Hwan Oh, Curie Ahn
CJASN Jun 2018, 13 (6) 858-865; DOI: 10.2215/CJN.11351017

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Sleep Duration and Health-Related Quality of Life in Predialysis CKD
Su-Ah Sung, Young Youl Hyun, Kyu Beck Lee, Hayne Cho Park, Wookyung Chung, Yeong Hoon Kim, Yong-Soo Kim, Sue Kyung Park, Kook-Hwan Oh, Curie Ahn
CJASN Jun 2018, 13 (6) 858-865; DOI: 10.2215/CJN.11351017
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Keywords

  • adult
  • chronic kidney disease
  • cohort studies
  • Cross-Sectional Studies
  • humans
  • logistic models
  • Perception
  • quality of life
  • Renal Insufficiency, Chronic
  • Self Report
  • Sleep
  • Sleep Duration
  • Time Factors

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