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Kyphosis and Sleep Characteristics in Older Persons: The Rancho Bernardo Study
Che Wankie1,2, D Kritz-Silverstein2, E Barrett-Connor2
1Joint Doctoral Program in Public Health (Epidemiology), San Diego State University/University of California, USA.
Journal of Sleep Disorders and Management
|May 9, 2017
Summary
Worse thoracic spine kyphosis in women is linked to poorer sleep quality, shorter sleep duration, and increased sleep medication use. This association was not observed in men, warranting further investigation into sex-specific sleep impacts.
Area of Science:
- Gerontology
- Sleep Medicine
- Orthopedics
Background:
- Kyphosis, a thoracic spine curvature, is associated with adverse health outcomes.
- Understanding the relationship between kyphosis and sleep is crucial for geriatric health.
Purpose of the Study:
- To investigate the association between thoracic kyphosis and sleep characteristics in older adults.
- To determine if this association differs between men and women.
Main Methods:
- Cross-sectional study of 468 community-dwelling older adults from the Rancho Bernardo cohort.
- Kyphosis assessed using a flexicurve ruler; sleep quality measured by the Pittsburgh Sleep Quality Index (PSQI).
Main Results:
- No significant association between kyphosis and sleep measures was found in men.
- In women, worse kyphosis correlated with poorer overall sleep quality (higher PSQI scores).
- Women with worse kyphosis slept fewer hours (≤7) and were more likely to use sleep medication.
Conclusions:
- Worse thoracic kyphosis is associated with poorer sleep quality and increased sleep medication use in older women.
- The findings highlight a potential sex-specific relationship between spinal curvature and sleep disturbances.
- Further research is needed to explore objective sleep measures and the impact of kyphosis on sleep in older populations.
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