Table 3

Heritability estimates for DMFS index, PCs, and FACs

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


h2 = heritability estimate (i.e., proportion of phenotype variation attributable to genetics)

h2 SE = standard error of the heritability estimate

R2 = proportion of phenotype variation attributable to the cumulative effects of age, age2, and sex

Shaffer et al. BMC Oral Health 2012 12:7   doi:10.1186/1472-6831-12-7

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