Table 2.

Heritability estimates for primary, permanent, and total dentition caries scores

	h2	SE	R2
Primary dentition (n = 1,058)
d1ft	0.57	0.10	0.00
Proportion d1ft	0.70	0.09	0.09
d2ft	0.54	0.10	0.00
Proportion d2ft	0.66	0.09	0.10
Permanent dentition (n = 1,949)
D1MFT	0.49	0.06	0.31
Proportion D1MFT	0.55	0.05	0.28
D2MFT	0.35	0.07	0.40
Proportion D2MFT	0.44	0.07	0.39
Total dentition (n = 2,445)
D1MFT + d1ft	0.34	0.04	0.33
Proportion D1MFT + dlft	0.40	0.04	0.31
D2MFT + d2ft	0.29	0.05	0.38
Proportion D2MFT +d2ft	0.33	0.05	0.37

h² = Heritability (proportion of phenotype variance due to genetic factors); SE = standard error of h²; R² = total proportion of phenotype variance due to effects of sex and age. All p values for heritability estimates are ≤0.01.