Table 1:
Demographic characteristics of cohort participants
| Mean ± STD, Number (%), or Median (IQR) | |||
|---|---|---|---|
| WQS Analysis Cohort (n=64) | ∑DEHP Analysis Cohort (n=71) | ||
| Demographic factors | Private insurance (#, %, vs Medicaid) | 49 (76.6%) | 62 (80.1%) |
| Racial/ethnic minority | 31 (48.4%) | 37 (48.1%) | |
| White | 37 (57.8%) | 45 (58.4%) | |
| Black | 18 (28.1%) | 22 (28.6%) | |
| Asian | 6 (9.4%) | 7 (9.1%) | |
| Hispanic | 5 (7.8%) | 5 (6.5%) | |
| Male infant gender | 31 (48.4%) | 37 (48.1%) | |
| Maternal/antenatal factors | Maternal parity at index pregnancy | 2 (1, 3) | 2 (1, 3) |
| Maternal Age at delivery, years | 33.1 ± 7.3 | 33.2 ± 6.6 | |
| Multiple gestation | 38 (59.4%) | 43 (55.8%) | |
| Antenatal steroids | 63 (98.4%) | 76 (98.7%) | |
| Antenatal magnesium sulfate | 62 (96.9%) | 73 (94.8%) | |
| PPROM | 24 (37.5%) | 28 (36.4%) | |
| IUGR | 10 (15.6%) | 15 (19.5%) | |
| Pre-eclampsia | 12 (18.8%) | 17 (22.1%) | |
| Assisted reproductive technology | 28 (43.8%) | 31 (40.3%) | |
| Cesarean delivery | 57 (89.0%) | 68 (88.3%) | |
| Birth Characteristics | Gestational age at birth (weeks) | 28.3 ± 2.2 | 28.4 ± 2.3 |
| Birth weight (g) | 1080 ±270 | 1088±277 | |
| Small for gestational age | 4 (6.3%) | 6 (7.8%) | |
| 1 min Apgar | 8 (5, 9) | 8 (6, 9) | |
| 5 min Apgar | 9 (8, 9) | 9 (8, 9) | |
| Clinical Risk Index for Babies II Score | 8 (6, 11) | 8 (6, 11) | |
| Morbidities of prematurity | Hypotension requiring pressors | 21 (32.8%) | 23 (29.9%) |
| Bronchopulmonary dysplasia | 25 (39.1%) | 27 (35.1%) | |
| Necrotizing enterocolitis | 1 (1.6%) | 2 (2.6%) | |
| Culture proven sepsis | 11 (17.2%) | 14 (18.2%) | |
| Retinopathy of prematurity stage 2–4 | 12 (18.8%) | 12 (15.6%) | |
| Intraventricular hemorrhage grade II-IV | 7 (10.9%) | 7 (9.1%) | |
| PMA at NNNS assessment (weeks) | 34.6 ± 0.6 | N/A | |
| NICU | Duration of NICU hospitalization (days) | 69 (50, 97) | 62 (48, 93) |
| Number of urine specimens per participant | 2 (1, 3) | 2 (1, 3) | |