Familial aggregation of components of the multiple metabolic syndrome in the Framingham Heart and Offspring Cohorts: Genetic Analysis Workshop Problem 1
2003

Familial Links in Metabolic Syndrome Components

Sample size: 5209 publication 10 minutes Evidence: moderate

Author Information

Author(s): Lee Kristine E, Klein Barbara E, Klein Ronald

Primary Institution: University of Wisconsin Medical School

Hypothesis

We sought to evaluate the familial correlations of the components of the multiple metabolic syndrome.

Conclusion

The family pair correlations suggest genetic determinants of lipid levels and BMI, which are predictive of cardiovascular disease and diabetes.

Supporting Evidence

  • Sibling correlations for metabolic syndrome components were significantly different from 0.
  • Parent-child correlations were close to sibling correlations for total cholesterol, HDL cholesterol, and BMI.
  • Spousal correlations were often significantly different from 0, suggesting environmental influences.

Takeaway

This study looked at how family members share traits related to heart disease and diabetes, showing that genes might play a big role.

Methodology

Data from the Framingham Heart Study original and offspring cohorts were analyzed for familial correlations of metabolic syndrome components.

Potential Biases

The spousal correlations suggested environmental influences, which may indicate bias in the genetic analysis.

Limitations

The study had limited family relationships available and potential differences in examination techniques between cohorts.

Participant Demographics

Adults aged 28 to 62 years from Framingham, Massachusetts.

Statistical Information

P-Value

0.05

Confidence Interval

(0.21, 0.32)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2156-4-S1-S94

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