Table 1.
Sociodemographic, clinical and MRI characteristics of imaged participants
| PME
|
PTE
|
|||||
|---|---|---|---|---|---|---|
| non-PME (n = 15) | PME (n = 20) | p | non-PTE (n = 9) | PTE (n = 26) | p | |
| Maternal variables | ||||||
| Education (<high school) | 8 (53.3%) | 10 (50.0%) | 0.850 | 3 (33.3%) | 15 (57.7%) | 0.264 |
| Age, years | 22.3 (3.0) | 25.5 (6.7) | 0.096 | 23.9 (6.2) | 24.2 (5.5) | 0.905 |
| Public insurance (yes) | 13 (86.7%) | 17 (85.0%) | 0.889 | 8 (88.9%) | 22 (84.6%) | 0.752 |
| Gestational age at first prenatal visit, weeks | 9.4 (4.8) | 12.1 (4.6) | 0.139 | 9.5 (4.5) | 11.4 (4.9) | 0.357 |
| Hollingshead ISP (birth) | 25.60 (7.56) | 23.45 (9.26) | 0.468 | 28.39 (7.21) | 22.98 (8.62) | 0.102 |
| Hollingshead ISP (average) | 27.33 (5.77) | 29.52 (8.01) | 0.377 | 30.01 (6.33) | 28.08 (7.43) | 0.493 |
| PTE (yes) | 7 (46.7%) | 19 (95.0%) | 0.002 | – | – | – |
| PME (yes) | – | – | – | 1 (11.1%) | 19 (73.1%) | 0.002 |
| Prenatal marijuana (yes) | 0 | 6 (30.0%) | 0.027 | 0 | 6 (23.1%) | 0.304 |
| Depression (BDI average) | 8.76 (6.45) | 6.81 (7.46) | 0.425 | 9.74 (7.11) | 6.92 (6.97) | 0.305 |
| Psychological distress (BSI average) | 0.43 (0.37) | 0.36 (0.43) | 0.640 | 0.49 (0.44) | 0.36 (0.39) | 0.420 |
|
| ||||||
| Child variables | ||||||
| Gender (male) | 8 (53.3%) | 11 (55.0%) | 0.925 | 3 (33.3%) | 16 (61.5%) | 0.245 |
| Handedness (right)1 | 12 (85.7%) | 16 (80%) | 1.000 | 9 (100%) | 19 (76%) | 0.162 |
| Birth weight, g | 3,276.47 (641.31) | 3,139.75 (581.39) | 0.515 | 3,517.56 (446.86) | 3,087.85 (616.71) | 0.064 |
| Birth head circumference, cm | 34.53 (1.60) | 33.05 (1.61) | 0.011 | 34.44 (1.01) | 33.42 (1.88) | 0.132 |
| Gestational age, weeks | 39.20 (1.15) | 38.55 (1.85) | 0.240 | 39.56 (1.24) | 38.58 (1.65) | 0.115 |
|
| ||||||
| Imaging variables | ||||||
| MRI age, months | 47.26 (7.88) | 45.76 (6.78) | 0.547 | 46.33 (8.59) | 46.43 (6.85) | 0.972 |
| Modified MPRage pulse sequence | 3 (20.0%) | 3 (15.0%) | 1.000 | 3 (33.3%) | 3 (11.5%) | 0.162 |
Values are mean with SD in parentheses or number with percentage in parentheses. Means computed using ANOVA. Frequencies computed by χ2 or by Fisher’s exact test (two-sided).
1
One participant with no handedness data.