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Correlations of cardiovascular disease risk factors between African American siblings

R J Iannotti1, A E Zuckerman, N Rifai

  • 1Department of Physical Education, Health and Sport Studies, Miami University, Oxford, OH 45056, USA.

The Journal of Pediatrics
|February 7, 2001
PubMed

Insights

African American siblings sharing a father showed higher cardiovascular disease (CVD) risk factor correlations. Father presence in the home influenced these correlations, highlighting genetic and environmental factors in family CVD risk.

Area of Science:

  • Genetics and Environmental Health
  • Pediatric Cardiovascular Health
  • Family Studies

Background:

  • Family composition and paternal relationships can influence child health outcomes.
  • Understanding shared genetic and environmental factors is crucial for pediatric cardiovascular disease (CVD) risk assessment.
  • Previous research has not fully explored intrasibling CVD risk factor correlations within diverse family structures.

Purpose of the Study:

  • To investigate intrasibling correlations of cardiovascular disease (CVD) risk factors in African American children.
  • To examine how shared paternity and paternal presence in the home affect these correlations.
  • To identify patterns of CVD risk factor similarity between siblings based on family structure.

Main Methods:

  • Assessed CVD risk factors in 267 pairs of African American siblings at two time points (Visit 1 and Visit 2, ~28 months apart).
  • Analyzed intrasibling correlations for siblings with the same father versus different fathers.
  • Examined correlations based on paternal presence in the home.

Main Results:

  • Siblings sharing the same father exhibited greater CVD risk factor correlations than those with different fathers at Visit 1 (P <.05).
  • Paternal presence in the home was linked to significantly lower intrasibling correlations for girth and total cholesterol at Visit 2 (P <.005).
  • The highest similarity in CVD risk factors was observed in siblings who shared a father and had no father present in the home.

Conclusions:

  • Intrasibling CVD risk factor correlations in African American children are influenced by shared paternity and paternal home presence, indicating combined genetic and environmental effects.
  • Family composition is a key factor to consider when predicting a child's CVD risk based on family risk factors.
  • These findings underscore the complex interplay of genetics and environment in shaping pediatric health outcomes within families.
Abstract

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