Table 2.
Comparison of Hawaii IDEAL MR-imaged versus nonimaged multi-site IDEAL participants
| MR-imaged participants (n = 35) | Nonimaged IDEAL participants (n = 377) | p | |
|---|---|---|---|
| Maternal/demographic characteristics | |||
| Race | <0.001 | ||
| White | 4 (11.4%) | 156 (41.4%) | |
| Hispanic | 1 (2.9%) | 91 (24.1%) | |
| Hawaiian/Pacific Islander | 20 (57.1%) | 51 (13.5%) | |
| Asian | 7 (20.0%) | 50 (13.3%) | |
| Black | 3 (8.6%) | 18 (4.8%) | |
| American Indian | 0 | 10 (2.7%) | |
| Other | 0 | 1 (0.3%) | |
| Low SES (Hollingshead V) | 11 (31.4%) | 82 (21.9%) | 0.196 |
| Public insurance | 30 (85.7%) | 333 (88.3%) | 0.648 |
| Partner at birth | 17 (48.6%) | 210 (55.7%) | 0.417 |
| Education <12 years | 18 (51.4%) | 154 (41.1%) | 0.235 |
| Maternal age, years | 24.1 (5.6) | 25.3 (5.6) | 0.232 |
| Gestational age at first prenatal visit, weeks | 10.9 (4.8) | 12.1 (7.5) | 0.398 |
| Prenatal MA use | 20 (57.1%) | 184 (48.8%) | 0.345 |
| Heavy MA use (≥3 days/week across pregnancy) | 3 (8.8%) | 32 (8.6%) | 0.645 |
| Prenatal tobacco use | 26 (74.3%) | 192 (50.9%) | 0.008 |
| Prenatal marijuana use | 6 (17.1%) | 70 (18.6%) | 0.835 |
|
| |||
| Neonatal/child characteristics | |||
| Gender (boy) | 19 (54.3%) | 201 (53.3%) | 0.912 |
| Birth weight, g | 3,198 (602) | 3,252 (599) | 0.612 |
| Length, cm | 50.5 (3.0) | 50.4 (3.4) | 0.831 |
| Head circumference, cm | 33.7 (1.7) | 33.9 (1.8) | 0.515 |
| Gestational age, weeks | 38.8 (1.6) | 38.6 (2.1) | 0.593 |
| SGA | 8 (22.9%) | 47 (12.5%) | 0.084 |
| Low birth weight (<2,500 g) | 3 (8.6%) | 44 (11.7%) | 0.581 |
| BSID-II MDI1 | 85.9 (11.8) | 88.6 (13.6) | 0.273 |
Values are number with percentage in parentheses or mean with SD in parentheses. SGA = Small for gestational age.
1
Measured at the 3-year visit: 32 MRI participants, 244 remaining IDEAL participants.