TABLE 2

Multivariable Logistic Regression Model for NEC

Birth Weight
OR(95% CI)
Birth weight (100-g increase)0.84(0.82–0.86)*
No DHM1.15(1.03–1.28)*
Maternal age
 <20 years1.13(0.96–1.33)
 20–29 years1.00 (ref)
 30–39 years0.86(0.77–0.97)*
 ≥40 years0.83(0.66–1.03)
No prenatal care0.99(0.77–1.28)
Multiple versus singleton birth0.97(0.86–1.10)
Outborn versus inborn location1.05(0.91–1.21)
NICU level
 Regional1.00 (ref)
 Community0.67(0.60–0.75)*
 Intermediate0.41(0.30–0.56)*
 Non-CCS0.54(0.41–0.73)*
Cesarean versus vaginal delivery0.88(0.79–0.99)*
Race
 White1.00 (ref)
 Native American1.43(0.78–2.60)
 Asian/Pacific Islander1.18(0.97–1.44)
 African American1.32(1.12–1.57)*
 Other1.48(1.05–2.09)*
Ethnicity
 Non-Hispanic1.00 (ref)
 Hispanic1.28(1.12–1.47)*
Apgar score (5 minute)
 0–31.00 (ref)
 4–61.36(1.09–1.69)*
 7–101.47(1.19–1.80)*
Female versus male0.82(0.74–0.91)*
Major birth defect1.19(1.02–1.40)*
Normal weight for gestational age1.57(1.33, 1.84)*