Genetic Effects on Blood Pressure Over Time
Author Information
Author(s): Katrina J Scurrah, Martin D Tobin, Paul R Burton
Primary Institution: Institute of Genetics and Department of Epidemiology and Public Health, University of Leicester
Hypothesis
The study aims to assess genetic effects on baseline blood pressure and the rate of change of blood pressure with age.
Conclusion
The study found that genetic factors significantly influence both baseline systolic blood pressure and its increase with age.
Supporting Evidence
- The mean rate of change of SBP with each year was 0.54, suggesting an increase of approximately 5 mm Hg every 10 years.
- Genetic effects accounted for the most variation in SBP at the mean age.
- Males tended to have slightly lower SBP than females.
- The number of cigarettes smoked per day was associated with an increase in BP of approximately 1 mm Hg for every six cigarettes.
Takeaway
This study looked at how genes affect blood pressure over time, finding that they play a big role in how blood pressure changes as people age.
Methodology
Generalized linear mixed models were fitted using Gibbs sampling to analyze repeated measurements of systolic blood pressure.
Limitations
The study may have limitations related to the complexity of modeling and potential biases in the simulated data.
Participant Demographics
The analysis included 4692 individuals from 330 pedigrees.
Statistical Information
P-Value
< 0.00001
Statistical Significance
p<0.00001
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website