Family Factors and Blood Pressure: A Study on ACE Gene Polymorphism
Author Information
Author(s): Juan Merlo, Kristina Bengtsson-Boström, Ulf Lindblad, Lennart Råstam, Olle Melander
Primary Institution: Lund University, Malmö University Hospital
Hypothesis
Does the ACE gene I/D polymorphism influence systolic blood pressure (SBP) levels within families?
Conclusion
Preventing hypertension should focus on younger individuals and families rather than just individuals.
Supporting Evidence
- Familial clustering of SBP was significant, especially among ACE inhibitor users.
- ACE gene I/D polymorphism had a minor role in SBP variance.
- 9% of SBP variance was attributed to familial factors.
Takeaway
This study found that family traits can affect blood pressure, especially in people taking certain medications, and that we should start preventing high blood pressure early in life.
Methodology
Multilevel regression analysis on 1926 individuals from 438 families.
Potential Biases
Potential confounding factors related to socioeconomic and behavioral influences were not accounted for.
Limitations
The study was cross-sectional and could not differentiate between genetic and environmental effects on SBP.
Participant Demographics
Mean age was 54 years, with 47% men.
Statistical Information
P-Value
0.025
Statistical Significance
p = 0.014; p = 0.025
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website