Cardiovascular Health and Cognitive Function: The Role of Depression
Author Information
Author(s): Hu Yiwei, Sun Xuelu, Guo Chen, Wu Ruiyun, Dou Jiahao, Song Shoufang, Guo Fanshun, Wei Jin
Primary Institution: The Second Affiliated Hospital of Xi’an Jiaotong University
Hypothesis
This study aims to explore the link between cardiovascular health and cognitive function, and whether depressive states mediate this relationship.
Conclusion
The study found a significant positive correlation between cardiovascular health and cognitive function, with depression playing a mediating role.
Supporting Evidence
- There was a significant positive linear relationship between LE8 score and cognitive function Z-score.
- Depression was found to partially mediate the relationship between cardiovascular health and cognitive function.
- Participants with high cardiovascular health had better cognitive function scores compared to those with low cardiovascular health.
Takeaway
Taking care of your heart can help your brain stay sharp, and feeling sad can make it harder to think clearly.
Methodology
The study used data from the NHANES survey and employed multi-variable linear regression to analyze the relationship between cardiovascular health and cognitive function.
Potential Biases
Potential biases may arise from the self-reported nature of lifestyle factors and the exclusion of certain demographic groups.
Limitations
The study's reliance on self-reported data may affect the authenticity of the results, and antidepressant use was not accounted for.
Participant Demographics
Participants were aged 60 and above, with a majority being non-Hispanic White, and included various income and education levels.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI: 0.28–0.56
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website