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Sleep duration and health-related quality of life in Korean adults: 2007-2015 Korea National Health and Nutrition Examination Survey

  • Epidemiology • Original Article
  • Published:
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Abstract

Purpose

To evaluate the association of sleep duration with health-related quality of life (HRQOL) and examine the influence of age, sex, and common comorbidities on this association.

Methods

Using appropriate survey design, we analyzed 50,181 adults who participated in the 2007–2015 Korea National Health and Nutrition Examination Survey. Participants were categorized into five groups according to self-reported sleep duration ≤ 5 (short sleeper), 6, 7, 8, and ≥ 9 h (long sleeper). HRQOL was measured with the European Quality of Life-5 Dimensions (EQ-5D) index and visual analogue scale (VAS).

Results

In multiple linear regression, short sleep duration was associated with lower EQ-5D index (β = − 0.024; 95% confidence interval [CI], − 0.027 to − 0.021) and lower EQ-VAS (β = − 3.0; 95% CI, − 3.7 to − 2.3), and long sleep duration was associated with lower EQ-5D index (β = − 0.016; 95% CI, − 0.021 to − 0.011) and lower EQ-VAS (β = − 2.2; 95% CI, − 3.1 to − 1.3) compared with 7-h sleepers. Old-age (≥ 65 years old) short and long sleepers had significantly lower EQ-5D index than those of < 65 years old. When separated according to sex, men with long sleep and women with short sleep showed the lowest EQ-5D index. Short and long sleepers with hypertension, diabetes, hypercholesterolemia, cardiovascular disease, or depression showed significantly lower EQ-5D index than those without comorbidities.

Conclusions

Extreme sleep duration was associated with poor HRQOL. Short and long sleepers with old age and comorbidities had significantly lower HRQOL than those without such conditions.

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Abbreviations

BMI:

body mass index

CI:

confidence interval

EQ-5D:

European Quality of Life-5 Dimensions

HRQOL:

health-related quality of life

KCDC:

Korea Centers for Disease Control and Prevention

KNHANES:

Korea National Health and Nutrition Examination Survey

VAS:

visual analogue scale

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Authors and Affiliations

  1. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea

    Jaeyoung Cho, Nakwon Kwak, Sun Mi Choi, Jinwoo Lee, Young Sik Park, Chang-Hoon Lee, Sang-Min Lee, Chul-Gyu Yoo, Young Whan Kim & Sung Koo Han

  2. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea

    Jinwoo Lee, Sang-Min Lee, Chul-Gyu Yoo, Young Whan Kim & Sung Koo Han

Authors
  1. Jaeyoung Cho
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  2. Nakwon Kwak
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  3. Sun Mi Choi
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  4. Jinwoo Lee
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Correspondence to Jaeyoung Cho.

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Cho, J., Kwak, N., Choi, S.M. et al. Sleep duration and health-related quality of life in Korean adults: 2007-2015 Korea National Health and Nutrition Examination Survey. Sleep Breath 24, 725–733 (2020). https://doi.org/10.1007/s11325-019-01972-7

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  • DOI: https://doi.org/10.1007/s11325-019-01972-7

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