Model CCAx                
PE SE p PE SE p PE SE p
Corr Model 1 Int

0.037
0.581
0.389
0.001
0.019
0.011
0.287
0.000
0.000
0.023
0.774
0.191
0.001
0.017
0.011
0.522
0.000
0.073
0.022
0.375
0.549
0.001
0.010
0.007
0.522
0.000
0.000
Model2 Int

0.034
0.540
0.440
0.002
0.018
0.010
0.441
0.000
0.000
0.033
0.732
0.235
0.003
0.017
0.013
0.560
0.000
0.043
0.036
0.339
0.578
0.002
0.011
0.009
0.452
0.001
0.000
Dage dbmi 0.025
-0.019
0.000
0.000
0.054
0.235
0.027
-0.031
0.003
0.017
0.013
0.065
0.048
0.021
-0.029
0.000
0.000
0.157
0.064

PE: parameter estimate; SE: standard error from the sandwich variance estimate; p: p-value; Model1: unadjusted for pair specic age and BMI dierences; Model2: adjusted for pair specic age and BMI dierences; dage: age dierence; dbmi: BMI dierence
Table 7: Heritability estimates for CCAx, BIFx and ICAx using the proposed method: Single trait analysis