Table 1.

Demographic information.

Variable	Mean (SD) or %	Min	Max
Child Age in Months	28.24 (5.93)	18.00	36.00
Male	50	n/a	n/a
Poor	25	n/a	n/a
Language IRT Scores	0.35 (0.78)	−2.60	2.28
Disruptive Behavior IRT Scores	−0.02 (0.99)	−3.21	2.83
Maternal Education
Less than high school	1.75
High school or GED	21.13
Associates Degree	13.3
Some College (No Degree)	27.64
Bachelor’s Degree	27.16
Graduate Degree	9.05
Child Race/Ethnicity
Asian	7.704
Black/African American	15.330
Hispanic	15.568
White/Caucasian	56.473
Native Hawaiian/Pacific Islander	0.874
Native American/Alaskan Native	0.874
Other	3.177