. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: J Exp Child Psychol. 2010 Sep 9;108(3):638–662. doi: 10.1016/j.jecp.2010.08.004

Table 7.

Correlations between EF and Variables in the Mediation Models by Site-Race Group

	EF Total Mean % Correct
Variable	PA/NC White	NC African American
6m Maternal Positive Engagement	.19^***	.19^***
	(n = 531)	(n = 359)
6m Maternal Negative Intrusiveness	-.17^***	-.05
	(n = 531)	(n = 359)
24m Language Skills	.38^***	.23^***
	(n = 542)	(n = 352)
6m Household Income	.18^***	.16^**
	(n = 555)	(n = 379)

p < .05

^**

p < .01

^***

p < .001