Sleep Quality and Cognitive Changes in Older Adults
Author Information
Author(s): Diaz Jose, Lee Soomi, Martire Lynn, Sliwinski Martin
Primary Institution: The Pennsylvania State University
Hypothesis
Are changes in sleep quality associated with changes in subjective cognition in older adults?
Conclusion
Changes in sleep quality are significantly linked to changes in subjective cognitive function in older adults.
Supporting Evidence
- Subjective cognitive decline can predict later cognitive decline and dementia.
- The study adjusted for self-report bias using self-rated health.
- Changes in self-rated health moderated the relationship between sleep quality and subjective cognition.
Takeaway
If older people sleep better, they might think better too. But if they feel healthier, the link between sleep and thinking isn't as strong.
Methodology
The study used nine waves of longitudinal data and multilevel models to analyze the relationship between sleep quality and subjective cognition.
Potential Biases
Self-report bias was considered but not fully eliminated.
Limitations
The study may not account for all factors influencing subjective cognition beyond self-rated health.
Participant Demographics
Community-dwelling older adults with a mean age of 77.09.
Statistical Information
P-Value
0.031
Confidence Interval
[0.004, 0.084]
Statistical Significance
p=0.031
Digital Object Identifier (DOI)
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