Table 4.

Covariance between cognitive measures in the 3-factor model

Sample	Path	Standardized estimate
CALM	g f ↔ memory	0.71, z = 28.42, P < 0.001
	g f ↔ speed	0.55, z = 12.20, P < 0.001
	memory ↔ speed	0.79, z = 19.35, P < 0.001
NKI-RS	g f ↔ memory	0.91, z = 19.51, P < 0.001
	g f ↔ speed	0.81, z = 24.73, P < 0.001
	memory ↔ speed	0.87, z = 17.43, P < 0.001

Note. See Supplementary Table 1 for factor loadings.