Table 5.

Reading, mathematics and g: multivariate analysis fitting a correlated factors model. Genetic and environmental correlations, bivariate heritability and environmental influence (proportion of phenotypic correlation mediated by A, C and E)

	Reading and mathematics	Reading and g	Mathematics and g
Correlation
rA	0.57 (0.45–0.71)	0.61 (0.48–0.75)	0.75 (0.65–0.86)
rC	0.94 (0.75–1.00)	0.89 (0.72–1.00)	0.89 (0.73–1.00)
rE	0.15 (0.08–0.21)	0.19 (0.12–0.25)	0.22 (0.15–0.28)
Mediation of rP
A (axayrA/rP)	0.47 (0.35–0.61)	0.46 (0.34–0.59)	0.55 (0.45–0.66)
C (cxcyrC/rP)	0.44 (0.32–0.54)	0.43 (0.32–0.53)	0.35 (0.25–0.44)
E (exeyrE/rP)	0.09 (0.05–0.13)	0.11 (0.07–0.15)	0.10 (0.07–0.13)

r_A, r_C, r_E = genetic, shared environmental and non-shared environmental correlations. Model fit statistics are reported in the footnote to Table 6.

95% confidence intervals in parentheses.