Document Detail

Relation between self-reported sleep duration and arterial stiffness: a cross-sectional study of middle-aged Japanese civil servants.
MedLine Citation:
PMID:  22131605     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The aim of this study is to examine the relationship between self-reported sleep duration and arterial stiffness in a large-scale Japanese study.
DESIGN: Cross-sectional study.
SETTING: Sapporo City, Hokkaido, Japan.
PARTICIPANTS: Local government employees aged 35-62 years, who underwent annual health checkups from April 2003 to March 2004. After excluding those with incomplete data, data from 4,268 employees (males: 3,410) participants were analyzed.
MEASUREMENTS AND RESULTS: Brachial-ankle pulse-wave velocity (baPWV) was investigated as an indicator of arterial stiffness. We used a self-administered questionnaire, which included items on daily sleep duration, lifestyle factors, and occupational factors. Sleep duration was classified into 5 categories; " ≤ 5 h," "6 h," "7 h," "8 h," and " ≥ 9 h." Results of multiple linear regression analysis after fully adjusting the model revealed that subjects with ≥ 9 h of daily sleep had significantly elevated baPWV values compared with the reference group with 7 h of sleep. Stratified analyses by sex showed that there was a significant association among male subjects only.
CONCLUSIONS: Daily sleep duration ≥ 9 h was found to be associated with elevated values of baPWV. This suggests that there is an association between long sleep duration and arterial stiffness.
Eiji Yoshioka; Yasuaki Saijo; Toshiko Kita; Eisaku Okada; Hiroki Satoh; Mariko Kawaharada; Reiko Kishi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-12-01
Journal Detail:
Title:  Sleep     Volume:  34     ISSN:  1550-9109     ISO Abbreviation:  Sleep     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-01     Completed Date:  2012-04-13     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  7809084     Medline TA:  Sleep     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1681-6     Citation Subset:  IM    
Department of Public Heath Sciences, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
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MeSH Terms
Cardiovascular Diseases / etiology,  physiopathology
Chi-Square Distribution
Cross-Sectional Studies
Linear Models
Middle Aged
Sex Factors
Sleep / physiology*
Sleep Deprivation / complications,  physiopathology
Statistics, Nonparametric
Time Factors
Vascular Stiffness* / physiology
Comment In:
Sleep. 2011 Dec;34(12):1623-4   [PMID:  22131595 ]

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