Table 1.
Infant Clinical and Social Background Characteristics
| Very Preterm (n=85) |
Full Term (n=40) |
p | |
|---|---|---|---|
| Clinical Factors | |||
| Gestational age (weeks) | 26.51 (1.8) | 39.50 (0.8) | <.001 |
| Birthweight (grams) | 932.14 (254.1) | 3420.43 (516.5) | <.001 |
| Male, %(n) | 43.5 (37) | 42.5 (17) | .91 |
| Multiple birth, %(n) | 35.3 (30) | ||
| Antenatal steroids not administered, %(n) | 8.2 (7) | ||
| Postnatal dexamethasone administered, %(n) | 10.6 (9) | ||
| Confirmed Sepsis, %(n) | 23.9 (28) | ||
| Necrotizing enterocolitis, %(n) | 5.9 (5) | ||
| Patent ductus arteriosus, %(n) | 38.8 (33) | ||
| Prolonged oxygen supplementation, %(n) | 54.1 (46) | ||
| Neontal Brain Abnormalities | |||
| Periventricular leukomalacia grade 3/4, %(n) | 3.5 (3) | ||
| Intraventricular hemorrhage grade 3/4, %(n) | 7.1 (6) | ||
| Moderate/severe white matter abnormality, %(n) | 34.1 (29) | ||
| Maternal Social Background | |||
| Social risk index | 1.49 (1.3) | 1.35 (1.4) | .58 |
| African American, %(n) | 36.5 (31) | 42.5 (17) | .52 |
| ≤18 years at delivery, %(n) | 4.7 (4) | 2.5 (1) | .56 |
| No High School qualification, %(n) | 4.7 (4) | 7.5 (3) | .53 |
| Single parent household, %(n) | 45.9 (39) | 37.5 (15) | .38 |
| Public health insurance, %(n) | 57.6 (49) | 45.0 (18) | .19 |
| Income-to-needs ratio | 1.93 (2.0) | 2.21 (2.2) | .49 |
Note. Means and standard deviations reported unless indicated.