Table 1 Selected demographics for the cohort consisting of 316 pregnant women enrolled between September 2009 and December 2010 from clinics in the New York City area
Variable | N (%)* |
|---|---|
Race/ethnicity | Â |
 African American | 19 (6%) |
 Non Hispanic White | 84 (27%) |
 Hispanic | 211 (67%) |
Maternal age (years, range) | 29 (16 to 43) |
Maternal education | Â |
 Less than high school diploma | 50 (16%) |
 High school or equivalent | 75 (24%) |
 College | 128 (44%) |
 Graduate | 50 (16%) |
Prepregnancy BMI | Â |
 Underweight (< 18.5) | 19 (6%) |
 Normal (18.5 to 24.9) | 169 (55%) |
 Overweight (25–29.9) | 78 (25%) |
 Obese (> 30) | 42 (14$) |
Household income | Â |
 <$25,000 | 198 (63%) |
 $25,000 – 50,000 | 34 (10%) |
 >$50,000 | 84 (27%) |
Multiparous | 220 (70%) |