Table 2.
Maternal and Infant Characteristics at Birth Enrollment*
| Mean (SD) / Number (Percent) | |||
|---|---|---|---|
| Maternal Characteristics | MA Exposed (N = 142) |
Comparison (N=148) |
P |
| Race | NS | ||
| White | 52 (36.6) | 57 (38.5) | |
| Hispanic | 34 (23.9) | 32 (21.6) | |
| Pacific Islander | 26 (18.3) | 25 (16.9) | |
| Asian | 17 (12.0) | 20 (13.5) | |
| Black | 7 (4.9) | 10 (6.8) | |
| American Indian | 6 (4.2) | 3 (2.0) | |
| Other | 0 (0.0) | 1 (0.7) | |
| Household Income < $10,000 | 44 (34.4) | 27 (18.9) | <.01 |
| Hollingshead SES V | 47 (33.1) | 14 (9.5) | <.001 |
| Public Insurance | 116 (85.9) | 113 (77.4) | NS |
| No Partner | 82 (56.4) | 70 (33.7) | <.001 |
| Education <12 years | 63 (44.4) | 54 (36.5) | NS |
| Change in primary caretaker (0–3 years) | 75 (53.2) | 11 (7.4%) | <.001 |
| Age, yr | 25.7 (5.8) | 24.7 (5.5) | NS |
| Gestational Age at 1st Prenatal Visit, wk | 13.8 (8.0) | 8.9 (5.1) | <.001 |
| Weight Gain during this pregnancy, lbs | 43.4 (21.0) | 33.9 (16.4) | <.001 |
| Prenatal Tobacco Exposure | 112 (78.9) | 36 (24.3) | <.001 |
| Prenatal Alcohol Exposure | 51 (35.9) | 20 (13.5) | <.001 |
| Prenatal Marijuana Exposure | 49 (34.5) | 7 (4.7%) | <.001 |
| Infant Characteristics | |||
| Gestational age, wk | 38.4 (2.2) | 38.9 (1.8) | <.01 |
| Birth weight, g | 3206.5 (650.7) | 3317.1 (583.9) | NS |
| Length, cm | 49.9 (3.9) | 51.2 (3.0) | <.001 |
| Head circumference, cm | 33.6 (1.8) | 34.1 (1.9) | NS |
| Low Birth weight, <2500 g | 17 (12.0%) | 17 (11.5%) | NS |
| Apgar 1 minute | 7.7 (1.5) | 8.0 (0.9) | <.05 |
| Apgar 5 minute | 8.8 (0.54) | 9.0 (0.3) | <.01 |
| Male, % | 75 (52.8%) | 78 (52.7%) | NS |
*
Change in primary caretaker was based on cumulative data from 0–3 years.