Table 1.

Descriptive Statistics

	N	Mean	St. Dev.	Min	Median	Max
Attuned Caregiving 15mos	1,100	2.7	0.8	1.0	3.0	5.0
Joint Attention 24mos	1,078	0.4	0.2	0.0	0.4	1.0
Executive Function 48mos	1,009	−0.1	0.5	−2.1	−0.1	1.2
Maternal Education 7–15mos	1,225	14.48	2.8	6.0	14.0	22.0
INR 7–15mos	1,228	1.8	1.6	0.0	1.4	16.6
Job Prestige 7–15mos	1,119	40.0	11.2	16.8	38.9	86.0
Infant Focused Attention 24mos	1,086	4.1	0.7	3.7	4.1	6.3
Maternal Language Input 24mos	1,047	3.1	0.9	1.1	3.0	8.8

Note. mos, months; INR, Income-to-Needs Ratio