REML using SOLAR correlation regression h2±SE1 p h2±SE2 p IMTx 0.65±0.05 <0.0001 0.91±0.02 <0.0001 BIFx 0.58±0.05 <0.0001 0.86±0.02 <0.0001 ICAx 0.47±0.05 <0.0001 0.45±0.01 <0.0001 CCAx 0.56±0.05 <0.0001 0.73±0.01 <0.0001 IMTm 0.62±0.05 <0.0001 0.75±0.01 <0.0001 BIFm 0.51±0.05 <0.0001 0.63±0.01 <0.0001 ICAm 0.41±0.06 <0.0001 0.28±0.01 0.002 CCAm 0.48±0.05 <0.0001 0.54±0.01 <0.0001 h2: heritability; REML: Restricted maximum likelihood estimates; correlation regression: correlation estimates from Generalized estimating equation; SE1: standard error from SOLAR: SE2: standard error using correlation regression; p: p-value.

Table 5: Conventional heritability estimates for carotid Intima-Media Thickness (IMT) to be comparable with the results using SOLAR.