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Table 1 Proportion of trait variance (standard error) attributable to the additive and dominance effect of genes and the residual variance attributed to the environment among the OOA, Lancaster County PA

From: Homozygosity by descent mapping of blood pressure in the Old Order Amish: evidence for sex specific genetic architecture

    Proportion of Variance
Trait Number Mean (SD) mmHg Additive Dominance Environmental
With those on medication removed
SBP 585 121.3 (15.9) 0.14 (0.12) 0.32 (0.28) 0.54 (0.21)
DBP 585 78.3 (9.2) 0.17 (0.12) 0.25 (0.25) 0.59 (0.18)
Adding a constant to those on medication
SBP 616 123.6 (19.1) 0.04 (0.13) 0.96 (0.13) 0.00
DBP 616 79.0 (10.1) 0.16 (0.11) 0.46 (0.27) 0.38 (0.21)
Ignoring medication use
SBP 616 123.1 (18.1) 0.08 (0.12) 0.76 (0.33) 0.17 (0.25)
DBP 616 78.8 (9.8) 0.17 (0.11) 0.37 (0.26) 0.46 (0.20)