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Table 1 Cross-sectional analyses: heritabilities and covariate effects for three traits within age-classes from univariate quantitative genetic analyses of data from Framingham Heart Study subjects measured in the 4th and 6th decades of life.

From: Pleiotropic effects on cardiovascular risk factors within and between the fourth and sixth decades of life: Implications for genotype × age interactions

     p-Values of Covariates Screened
Trait h2 c2A n Sex Age CPD HRx Wgt
30-39 Years         
   Total Cholesterol 0.34 0.06 984 <0.001   <0.001   -B
   Systolic Blood Pressure 0.10 0.15 994 <0.01   <0.05   <0.001
   Body Weight 0.48 0.49 1239 <0.001 <0.01   <0.001 -
50-59 Years         
   Total Cholesterol 0.29 0.02 818 <0.001    <0.10 -
   Systolic Blood Pressure 0.32 0.04 968   <0.001   <0.05 <0.001
   Body Weight 0.45 0.26 881 <0.001   <0.001 <0.001 -
  1. Ac2, proportion of phenotypic variance due to covariates. B-, not screened.