Table 1.
Variable* | Enrolled (N=102) | Eligible, Not enrolled (N=297) | P value |
---|---|---|---|
Demographic | |||
Maternal age, years | 26 ± 6.5 | 28.2 ± 5.9 | <0.01 |
Maternal education < high school≠ | 31 (34) | 59 (23) | <0.05 |
Maternal insurance status | 0.03 | ||
Private | 26 (26) | 119 (40) | |
Public | 72 (71) | 165 (56) | |
Self-pay/uninsured | 3 (3) | 8 (3) | |
Other | 0 (0) | 5 (1) | |
Maternal race/ethnicity | 0.70 | ||
White | 31 (31) | 86 (28) | |
Black | 40 (39) | 106 (36) | |
Hispanic | 25 (25) | 79 (27) | |
Other | 6 (6) | 27 (9) | |
Perinatal | |||
Gestational age, weeks | 27.0 ± 1.6 | 26.7 ± 1.7 | 0.09 |
Birth weight, grams | 924.4 ± 222 | 875.4± 235.4 | 0.07 |
Small for gestational age | 10 (10) | 38 (13) | 0.42 |
Male | 54 (53) | 147 (50) | 0.5 |
Multiple gestation | 22 (22) | 85 (29) | 0.17 |
Cesarean delivery | 73 (72) | 210 (71) | 0.87 |
Antenatal steroids | 89 (87) | 255 (86) | 0.78 |
5-minute Apgar <4 | 6 (6) | 26 (9) | 0.36 |
CPR in delivery room | 10 (10) | 22 (8) | 0.44 |
Neonatal | |||
FiO2 at 24 hours of life | 0.29 ± 0.11 | 0.29 ± 0.13 | 0.85 |
On ventilator at 24 hours of life | 53 (52) | 151 (51) | 0.87 |
High-frequency ventilator in first 72 hours of life | 16 (16) | 61 (21) | 0.34 |
Early onset sepsis | 3 (3) | 7 (2) | 0.75 |
Severe IVH or cPVL | 22 (22) | 48 (16) | 0.22 |
BPD≠ | 33 (34) | 101 (39) | 0.44 |
NEC | 6 (6) | 21 (7) | 0.67 |
ROP≠ | 44 (47) | 149 (57) | 0.09 |
Death before discharge | 6 (6) | 41 (14) | 0.03 |
Definitions: severe intraventricular hemorrhage (IVH), cystic periventricular leukomalacia (cPVL), broncho pulmonary dysplasia (BPD), necrotizing enterocolitis (NEC), retinopathy of prematurity (ROP)
Data are expressed as mean ± standard deviation for continuous variables and n (%) for categorical variables
Percentages calculated after missing data removed from the denominator, as follows: maternal education (11 enrolled, 46 not enrolled), BPD (6 enrolled, 43 not enrolled), and ROP (8 enrolled, 41 not enrolled).