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Table 3 Heritability estimates for DMFS index, PCs, and FACs

From: Heritable patterns of tooth decay in the permanent dentition: principal components and factor analyses

Phenotype h2 h2 SE p-value R2
DMFS 0.418 0.164 0.008 0.054
PCA     
   PC1 0.404 0.160 0.009 0.095
   PC2 0.149 0.171 0.190 0.017
   PC3 0.000 - 0.500 0.037
   PC4 0.174 0.234 0.231 0.004
   PC5 0.373 0.207 0.043 0.021
   PC6 0.027 0.236 0.455 0.001
   PC7 0.503 0.221 0.020 0.004
   PC8 0.000 - 0.500 0.003
   PC9 0.000 - 0.500 0.006
   PC10 0.000 - 0.500 0.001
FA     
   FAC1 0.157 0.181 0.194 0.033
   FAC2 0.000 - 0.500 0.014
   FAC3 0.653 0.198 0.006 0.010
   FAC4 0.274 0.239 0.135 0.058
   FAC5 0.019 0.161 0.454 0.017
   FAC6 0.302 0.153 0.027 0.009
   FAC7 0.000 - 0.500 0.015
   FAC8 0.000 - 0.500 0.018
   FAC9 0.084 0.208 0.343 0.006
   FAC10 0.342 0.292 0.136 0.014
  1. h2 = heritability estimate (i.e., proportion of phenotype variation attributable to genetics)
  2. h2 SE = standard error of the heritability estimate
  3. R2 = proportion of phenotype variation attributable to the cumulative effects of age, age2, and sex