Table 2.
Sample demographics
| Age - Range; M (SD) | 18–42; 27.8 (6.5) |
| First-time mothers – % | 20.4% |
| Number of children - Range; M (SD) | 0–9; 1.6 (1.7) |
| Country of birth – % | |
| Mexico | 86.6% |
| United States | 13.4% |
| Years in the United Statesa – Range; M (SD) | 0–32; 11.8 (5.9) |
| Maternal Education – % | |
| 0 through 8 years of school | 26.9% |
| Some high school completed | 33.3% |
| High school graduate | 25.9% |
| Some college or vocational school | 9.0% |
| College degree or above | 5.0% |
| Work Status – % | |
| Not employed | 85.6% |
| Working part-time | 9.5% |
| Working full-time | 5.0% |
| Family Income - % | |
| <10,000 | 32.7% |
| 10,001-15,000 | 26.6% |
| 15,001-25,000 | 25.2% |
| >25,001 | 15.5% |
| Relationship status at prenatal visit – % | |
| Living with a partner/spouse | 79.6% |
| Not living with a partner/spouse | 20.4% |
| Child sex – % | |
| Male | 47.8% |
| Female | 52.2% |
| Preterm birth (< 37 weeks) -% | 4.8% |
| Gestational age (weeks) -Range; M (SD) | 26–42; 39.3 (1.5) |
| Low birth weight (< 2500 g) –% | 1.0% |
| Child birth weight (ounces)- Range; M (SD) | 42–174; 119.9 (18.4) |
a
Of women not born in the United States