. Author manuscript; available in PMC: 2015 Jul 1.

Published in final edited form as: J Abnorm Child Psychol. 2014 Jul;42(5):681–692. doi: 10.1007/s10802-013-9816-y

Table 1.

Descriptive Statistics and Correlations

Measure	EF Baseline (n=215)	EF Year 1 (n=161)	EF Year 2 (n=139)	EF Year 3 (n=127)	CP Baseline (n=215)	CP Year 1 (n=161)	CP Year 2 (n=139)	CP Year 3 (n=127)
EF Baseline	–
EF Year 1	.76	–
EF Year 2	.72	.79	–
EF Year 3	.63	.71	.81	–
CP Baseline	.69	.58	.57	.47	–
CP Year 1	.51	.63	.51	.46	.73	–
CP Year 2	.52	.52	.63	.53	.63	.73	–
CP Year 3	.40	.40	.49	.59	.59	.63	.78	–
Age at Recruitment	.03^ns	−.03^ns	−.06^ns	−.07^ns	−.05^ns	−.09^ns	−.02^ns	.01^ns
Male Gender	.04^ns	.05^ns	−.01^ns	.02^ns	.05^ns	.12^ns	.02^ns	.12^ns
African American Ethnicity	−.17^*	−.20^*	−.24^*	−.27^**	−.10^ns	−.13^ns	−.12^ns	−.04^ns

MEAN	57.69	56.50	55.20	54.46	59.23	57.75	57.24	55.97
SD	11.49	11.65	11.67	11.29	12.29	10.63	9.92	10.39

Note. EF = Executive Functioning; CP = Conduct Problems; All correlations are significant p < .001, unless noted.

^ns

= p>.05;

^**

= p<.01;

= p<.05