Table 1.

Sample Characteristics

Maternal and demographic characteristics	Mean (SD)/Percentage (n)
Age at enrollment	24.38 (3.81)
Education
< High School	25% (31)
High school graduation	37% (46)
< 4-year college degree	32% (39)
College degree or more	6% (7)
Medicaid status	74% (91)
Race/ethnicity
African American	56% (69)
Hispanic	14% (17)
Caucasian	29% (36)
Other	1% (1)
Marital status
Married	20% (24)
Cohabiting	29% (36)
Single	51% (63)
Child characteristics
Sex (female)	54% (66)
Birth weight (g)	3244.24 (505.92)
Gestational age (days)	276.09 (9.22)
Age at 6m visit (months)	6.50 (1.49)

Note: Maternal and demographic characteristics are based on information at enrollment. Information provided for those infants with a 6 month visit (n=123).