Table 2. Maternal characteristics by MA exposure.
| Number (Percent)a/ Mean (SD) | P-Value | ||
|---|---|---|---|
| Exposed (N = 179) | Comparison (N= 177) | ||
| Race | 0.871 | ||
| White | 69 (38.5%) | 70 (39.5%) | |
| Hispanic | 41 (22.9%) | 38 (21.5%) | |
| Pacific Islander | 30 (16.8%) | 32 (18.1%) | |
| Asian | 25 (14.0%) | 23 (13.0%) | |
| Black | 8 (4.5%) | 10 (5.6%) | |
| American Indian | 6 (3.4%) | 3 (1.7%) | |
| Other | 0 (0%) | 1 (0.6%) | |
| Low socioeconomic status | 59 (33.1%) | 18 (10.2%) | <0.001 |
| Public insurance | 160 (89.4%) | 151 (85.3%) | 0.072 |
| Partner at birth | 83 (46.4%) | 117 (66.1%) | <0.001 |
| Education <12 years | 84 (47.2%) | 66 (37.5%) | 0.065 |
| Maternal age (yr) | 25.5 (5.7) | 24.6 (5.5) | 0.109 |
| GA at 1st prenatal visit | 14.5 (8.3) | 9.4 (5.7) | <0.001 |
| Prenatal care | 165 (92.2%) | 174 (98.3%) | 0.007 |
| Prenatal tobacco use | 143 (79.9%) | 46 (26.0%) | <0.001 |
| Average number of cigarettes/day across pregnancy | 10.8 (11.3) | 2.9 (7.2) | <0.001 |
| Prenatal alcohol use | 66 (36.9%) | 23 (13.0%) | <0.001 |
| Average oz. absolute alcohol/day across pregnancy | 0.37 (1.0) | 0.04 (0.22) | <0.001 |
| Prenatal marijuana use | 58 (32.4%) | 7 (4.0%) | <0.001 |
| Average number of joints/day across pregnancy | 0.23 (0.52) | 0.02 (0.15) | <0.001 |
a
The number of participants includes BSID-II or PDMS-2 evaluation at any visit.