Table 1

Maternal and infant baseline characteristics

Characteristic
Study subjects (N = 393) n (%)*

Race/ethnicity

     Hispanic

     African American
15 (4%)
     Other
52 (13%)
     Non-Hispanic

     African American
318 (81%)
     Other
6 (2%)
Maternal age

     < 20
85 (22%)
     ≥ 20
308 (78%)
Marital status

     Married/living with a partner
108 (27%)
     Single/no partner
284 (72%)
Mother's birth place

     USA
309 (79%)
     Other (foreign born)
84 (21%)
Education

     < 12 years
171 (44%)
     ≥ 12 years
222 (56%)
Mother employed in past 12 months

     Yes
147 (37%)
     No
242 (62%)
Tobacco use during pregnancy

     Yes
87 (22%)
     No
274 (70%)
Poverty

     Below poverty
258 (66%)
     At or above poverty
117 (30%)
Previous live births

     0
134 (34%)
     ≥ 1
258 (66%)
Gestation at entry into prenatal care

     < 4 months
255 (65%)
     ≥ 4 months
138 (35%)
Infant birth weight

     1800–2499 grams
40 (10%)
     ≥ 2500 grams
352 (90%)
Hospital of delivery

     A
106 (27%)
     B
86 (22%)
     C
201 (51%)

*Numbers may not add up to 100% because of missing values.

England et al. BMC Public Health 2003 3:28   doi:10.1186/1471-2458-3-28