Table 1.

Demographic Variables by Enrollment and Follow-up^a

Variable	Women who initially consented (n = 483)	Women who enrolled (n = 383)	Women observed to 1 y (n = 347)
Maternal age, yb	25.6 (14–45)	25.6 (15–43)	25.7 (15–43)
Race/ethnicity
Mexican	60.0	62.7	65.1
Puerto Rican	16.8	15.4	14.4
Other/mixed Hispanic	10.6	11.0	11.0
African American	6.4	6.0	5.8
Other	6.2	5.0	3.8
Born in the United States	41.7	39.2	37.8
Years in the United States for those not born in the United Statesb	8.6 (0.2–39.0)	8.4 (0.2–39.0)	8.4 (0.2–39.0)
Language
English	42.7	39.7	38.0
Spanish	46.2	48.8	50.7
Both English and Spanish	11.2	11.5	11.2
Education completed
< High school	42.0	41.2	42.1
High school graduate	32.9	33.9	34.0
Some college	20.4	20.1	18.7
College graduate	4.8	4.7	5.2
Works outside the home	32.6	31.3	30.0
Married	44.0	46.5	47.3
No. of previous live births
0	38.5	37.9	37.8
1	26.2	27.2	27.1
2	21.9	22.4	23.1
≥3	13.4	12.8	12.1
Health care site
1	56.9	57.4	57.6
2	25.3	26.9	27.7
3	17.8	15.7	14.7

^aData are given as percentage of patients in each group unless otherwise indicated. Percentages may not total 100 because of rounding.

^bData are given as mean (range).