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Daytime sleepiness associated with poor sustained attention in middle and late adulthood

Authors
Yun, Chang-HoKim, HyunLee, Seung KuSuh, SooyeonLee, Seung HoonPark, Seong-HoThomas, Robert J.Au, RhodaShin, Chol
Issue Date
1월-2015
Publisher
ELSEVIER SCIENCE BV
Keywords
Psychomotor vigilance; Lapse; Sleep duration; Insomnia; Snoring; Sleep quality
Citation
SLEEP MEDICINE, v.16, no.1, pp.143 - 151
Indexed
SCIE
SCOPUS
Journal Title
SLEEP MEDICINE
Volume
16
Number
1
Start Page
143
End Page
151
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/94822
DOI
10.1016/j.sleep.2014.07.028
ISSN
1389-9457
Abstract
Objective: We aimed to determine the association between psychomotor vigilance task (PVT) performance and sleep-related factors including sleep duration, daytime sleepiness, poor sleep quality, insomnia, and habitual snoring in a population-based sample. Methods: This was a cross-sectional analysis from the ongoing prospective cohort study, the Korean Genome and Epidemiology Study. We measured PVT performance and documented demographics, sleep-related factors, life style, and medical conditions in community dwelling adults (N = 2499; mean age 57.1 +/- 7.3; male 1259). Associations between PVT parameters and sleep-related factors were tested, adjusting for age, gender, smoking, alcohol use, education, body mass index, hypertension, diabetes, depression, and the interval between mid-sleep time and PVT test. Results: High Epworth Sleepiness Scale (ESS, >= 8) was associated with slower mean reciprocal response speed (mean RRT) (3.69 +/- 0.02 vs. 3.77 +/- 0.01, p < 0.001), higher probability for increased lapses (>= 4) (OR 1.48, CI 1.12-1.88, p = 0.001), and more negative RRT slope (-0.036 +/- 0.002 vs. -0.030 +/- 0.001, p = 0.02). Older age, female gender, low education level, depressive mood, and the interval between mid-sleep and PVT test were also associated with poor performance. Sleep duration, habitual snoring, insomnia, or poor sleep quality (the Pittsburgh Sleep Quality Index score > 5) was not related to PVT parameters. Conclusions: At the population level, our results revealed important modifiers of PVT performance, which included subjective reports of daytime sleepiness. (C) 2014 Elsevier B.V. All rights reserved.
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