Table III.

Logistic regression model for NDI

Characteristics	OR (95% CI)	P value
Antenatal steroids	0.97 (0.91,1.04)	.38
Chorioamnionitis*	0.99 (0.94,1.03)	.59
Less than high school†	1.07 (1.01,1.13)	.02
Male	1.11 (1.06,1.16)	<.01
Black	0.96(0.87,1.07)	.49
White	1.00(0.91,1.10)	.98
GA	0.95‡ (0.93,0.98)	<.01
ICH§	1.15 (1.09,1.20)	<.01
Late onset sepsis	1.05 (1.00,1.10)	.05
NEC	1.13 (1.05,1.21)	<.01
BPD	1.16(1.10,1.22)	<.01
Disappearing cystic periventricular leukomalacia	1.17 (1.04,1.31)	.01
Persistent cystic periventricular leukomalacia	1.21 (1.06,1.37)	<.01
Late cystic periventricular leukomalacia	1.16 (1.06,1.27)	<.01

Model adjusted for center.

^*Chorioamnionitis defined as clinical or histologic.

^†Less than high school- defined as anyone who had education up to 12th grade but did not graduate.

^‡OR for each additional week of GA.

^§Blood in ventricles or in parenchyma.