Physical Activity, Sedentary Behavior, and Stroke in Older Adults
Author Information
Author(s): Bai Long, Wen Zongliang, Yan Xuebing, Wu Shenqin, Chen Jialin
Primary Institution: Xuzhou Medical University, Xuzhou, China
Hypothesis
What is the relationship between physical activity, sedentary behavior, and stroke in people aged 60 years and older?
Conclusion
Sedentary behavior is positively associated with stroke, while physical activity is negatively associated with stroke in older adults.
Supporting Evidence
- 244 participants (7.53%) aged 60 years and older had experienced a stroke.
- Physical activity was negatively associated with stroke risk, with an odds ratio of 0.622.
- Sitting for more than 8 hours a day was positively associated with stroke risk, with an odds ratio of 2.602.
- C-reactive protein mediated the association between sedentary behavior and stroke with a mediation ratio of 3.64%.
Takeaway
Sitting too much can increase the risk of having a stroke, while being active can help reduce that risk.
Methodology
The study analyzed data from the National Health and Nutrition Examination Survey (NHANES) using questionnaires and statistical analyses to assess the relationship between physical activity, sedentary behavior, and stroke.
Potential Biases
Self-reported data may lead to underreporting or overreporting of physical activity and sedentary behavior.
Limitations
Data on physical activity and stroke were self-reported, which may introduce bias; the study's findings may not be generalizable beyond the U.S. population.
Participant Demographics
Participants were aged 60 years and older, with a mean age of 69.80 years, including 45.67% males and 54.33% females.
Statistical Information
P-Value
0.009 for physical activity; 0.003 for sedentary behavior
Confidence Interval
(0.443, 0.875) for physical activity; (1.557, 4.348) for sedentary behavior
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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