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Table 4 Heritabilities (± Standard Error) of Responses and Component Traits

From: Aggregate blood pressure responses to serial dietary sodium and potassium intervention: defining responses using independent component analysis

Construct Variable Heritability Ve Vg
Responses to Intervention (Deltas)     
Response to Low Sodium Intervention Δ (L-B) SBP 0.26 (0.10) 0.84 0.30
  Δ(L-B) DBP 0.31 ( 0.09) 0.76 0.35
Response to High Sodium Intervention Δ (H-L) SBP 0.24 (0.11) 0.86 0.27
  Δ (H-L) DBP 0.40 (0.08) 0.64 0.43
Response to Potassium Supplement Intervention Δ (K-H) SBP 0.39 (0.08) 0.73 0.47
  Δ (K-H) DBP 0.34 (0.09) 0.72 0.38
Adiposity     
Body Mass Index B_BMI 0.60 (0.07) 0.43 0.65
Waist Circumference B_WST 0.52 (0.07) 0.51 0.55
Component Traits (ICA)     
Systolic Hypertension ICA21 0.64 (0.06) 0.36 0.63
  ICA31 0.63 (0.06) 0.37 0.63
  ICA42 0.64 (0.06) 0.36 0.64
Generalized Hypertension + anthropometric & delta ICA22 0.34 (0.09) 0.66 0.34
+ anthropometric ICA33 0.44 (0.08) 0.55 0.44
  ICA43 0.56 (0.06) 0.43 0.55
Response to Intervention ICA32 0.42 (0.07) 0.58 0.42
  ICA41 0.40 (0.08) 0.60 0.40
Adiposity ICA44 0.49 (0.07) 0.51 0.48
  1. Heritability (h2) is computed as (Vg) / (Ve + Vg), where Ve is environmental variance and Vg is genetic variance