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.




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
 -

Ac2, proportion of phenotypic variance due to covariates. B-, not screened.

Havill and Mahaney BMC Genetics 2003 4(Suppl 1):S54   doi:10.1186/1471-2156-4-S1-S54