Table 1. Maternal demographics.

Category	Control (n=28)	Intervention (n=21)	P
Age (years, mean (s.d.))	24 (5)	24 (5)	0.99
Ethnicity (%)			0.55
Caucasian	68	67
Hispanic	14	19
African-American	18	9
Other	0	5
Education (%)			0.32
High school/vocational	86	81
College graduate	14	19
Insurance (%)			0.02a
Medicaid	82	52
Private	18	48
Social support			0.92
Partner (% yes)	82	81
Smoking history
Years smoked (mean, (s.d.))	7 (5)	5 (4)	0.14
When quit smoking (%)			0.85
Just before pregnancy	35	33
1st trimester	57	52
2nd trimester	4	5
3rd trimester	4	10
Smoker in home (% yes)	32	48	0.27

^aSignificant difference between groups.