The journal of nutrition, health & aging

, Volume 23, Issue 1, pp 63–67 | Cite as

Sleep Latency in Men and Sleep Duration in Women Can Be Frailty Markers in Community-Dwelling Older Adults: The Korean Frailty and Aging Cohort Study (KFACS)

  • I. Kang
  • S. Kim
  • B. S. Kim
  • J. Yoo
  • M. Kim
  • Chang Won WonEmail author



To test whether sleep disturbances are associated with frailty in older men and women.


Cross-sectional analysis of cohort study data. The participants were 1168 community-dwelling older adults aged 70 to 84 years who took part in the Korean Frailty and Aging Cohort Study and completed both self-reported sleep parameters and assessment of frailty. Univariate and multivariate survey logistic regression models were used to calculate odds ratios (OR) with 95% confidence intervals (CI) for frailty. Frailty was defined using the Fried’s criteria.


Frailty was associated with sleep latency in men. The odds ratio for this association was 3.39 (95% CI 1.31-8.76) after adjusting for age, body mass index (BMI), physical activity, and select comorbidities, and 2.16 (95% CI 0.75-6.23) after further adjusting for depression. Frailty was associated with long sleep duration of more than 8 hours a night in women. The odds ratio for this association was 3.95 (95% CI, 1.27-12.33) after adjusting for age, BMI, physical activity, select comorbidities, and the number of medications.


Prolonged sleep latency (≥60 minutes) in men and long sleep duration (>8hr per night) in women were each independently associated with higher odds of frailty. Long sleep latency in elderly men and long sleep duration in elderly women may suggest they have a high chance of frailty.

Key words

Sleep latency sleep duration frailty frailty marker Korea 


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Copyright information

© Serdi and Springer-Verlag France SAS, part of Springer Nature 2018

Authors and Affiliations

  • I. Kang
    • 1
  • S. Kim
    • 1
  • B. S. Kim
    • 1
  • J. Yoo
    • 1
  • M. Kim
    • 2
  • Chang Won Won
    • 1
    • 3
    Email author
  1. 1.Department of Family MedicineKyung Hee University Medical CenterSeoulRepublic of Korea
  2. 2.College of Medicine/East-West Medical Research InstituteKyung Hee UniversitySeoulRepublic of Korea
  3. 3.Elderly Frailty Research Center, Department of Family MedicineKyung Hee University College of MedicineSeoulRepublic of Korea

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