Key result
Long sleep duration of 8 hours or more was significantly associated with an elevated Cardio-Ankle Vascular Index compared to 6-8 hours of sleep (β 0.14) in community-dwelling older adults.
Why the study?
This study aimed to investigate the association of the Cardio-Ankle Vascular Index with self-reported sleep duration and sleep quality in community-dwelling older adults aged ≥ 65 years.
Does self-reported sleep duration or sleep quality associate with increased arterial stiffness (measured by CAVI) in community-dwelling older adults?
Population
997 community-dwelling older adults aged ≥ 65 years in Tarumizu City, Japan
Comparison
Sleep duration (<6 h vs 6-8 h vs ≥ 8 h) and sleep quality (good vs medium vs poor)
Design
Cohort study analysis
Authors
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Long sleep duration was associated with higher arterial stiffness; this cross-sectional observation leaves open causal and interventional implications in older adults.
Cross-Sectional (n=997)
No
Does self-reported sleep duration or sleep quality associate with increased arterial stiffness (measured by CAVI) in community-dwelling older adults?
Mean Difference: 0.14 (95% CI 0.03–0.26)
Absolute Event Rate: 9.6% vs 9.1%
p-value: p=0.016
Long sleep duration (≥8 hours), but not self-reported sleep quality, is significantly associated with elevated arterial stiffness in community-dwelling older adults.
Masumitsu et al. (2022) conducted a cross-sectional in Arterial stiffness in community-dwelling older adults (n=997). Long sleep duration (≥ 8 hours) vs. Normal sleep duration (6-8 hours) was evaluated on Cardio-Ankle Vascular Index (CAVI) (β 0.14, 95% CI 0.03-0.26, p=0.016). Long sleep duration of 8 hours or more was significantly associated with an elevated Cardio-Ankle Vascular Index compared to 6-8 hours of sleep (β 0.14) in community-dwelling older adults.
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