Table 3.
Maternal and neonatal characteristics by MA exposure
| N (%) or mean (SD) | PME N=55 | Comparison N=45 | P |
|---|---|---|---|
| Maternal/demographic characteristics | |||
| Race | 0.72 | ||
| White | 18 (32.7%) | 15 (33.3%) | |
| Hispanic | 18 (32.7%) | 17 (37.8%) | |
| Hawaii & Pacific Islander | 10 (18.2%) | 5 (11.1%) | |
| Asian | 7 (12.7%) | 5(11.1%) | |
| Black | 1 (1.8%) | 2 (4.4%) | |
| American Indian | 1 (1.8%) | 0 (0.0%) | |
| Other | 0 (0.0%) | 1 (2.2%) | |
| Low SES | 23 (41.8%) | 4 (8.9%) | <0.01 |
| Partner at birth | 24 (43.6%) | 29 (64.4%) | 0.04 |
| Education <12 years | 31 (56.4%) | 17 (37.8%) | 0.06 |
| Prenatal care | 50 (90.9%) | 45 (100.0%) | 0.04 |
| Prenatal tobacco use | 40 (72.7%) | 10 (22.2%) | <0.01 |
| Average number of cigarettes/day across pregnancy | 5.50 (7.06) | 0.44 (1.50) | <0.01 |
| Prenatal alcohol use | 18 (32.7%) | 12 (26.7%) | 0.51 |
| Average oz. absolute alcohol/day across pregnancy | 0.09 (0.40) | 0.01 (0.03) | 0.18 |
| Prenatal marijuana use | 15 (27.3%) | 2 (4.4%) | <0.01 |
| Average number of joints/day across pregnancy | 0.03 (0.14) | 0.02 (0.15) | 0.75 |
| Maternal age (yr) | 25.11 (5.79) | 25.40 (6.75) | 0.82 |
| GA at 1st prenatal visit | 13.6 (8.04) | 8.2 (5.77) | <0.01 |
| Neonatal characteristics | |||
| Sex (Male) | 31 (56.4%) | 21 (46.7%) | 0.33 |
| Birth weight (g) | 3109 (687) | 3376 (554) | 0.04 |
| Length (cm) | 48.7 (4.1) | 51.6 (2.8) | <0.01 |
| Head Circumference (cm) | 33.5 (2.0) | 34.2 (1.6) | 0.05 |
| Gestational age (wks) | 37.75 (3.12) | 39.11 (1.60) | <0.01 |
| Small for gestational age | 6 (10.9%) | 4 (8.9%) | 0.74 |
| DNA methylation ofHSBUB2 | |||
| CpG site 1 | 1.3 (1.7) | 1.6 (1.6) | 0.52 |
| CpG site 2 | 1.4 (1.7) | 0.3 (0.6) | <0.01 |
| CpG site 3 | 0.5 (0.7) | 0.6 (0.8) | 0.80 |
| CpG site 4 | 3.8 (2.2) | 3.6 (2.0) | 0.69 |