Table 5.

Adjusted Model for Gestational Age (in weeks) and Cumulative Physiologic Dysfunction (N=111)

Parameter	β	OLS SE	OLS p-value
Intercept	42.10	0.96	<.0001
Cumulative Physiologic Dysfunction	-0.06	0.07	0.4407
Black racea	-0.06	0.03	0.6112
Other racea	0.13	0.25	0.0308
Age	-0.03	0.46	0.9446
Income <$20,000 per yearb	0.01	0.32	0.9879
Income $20,000-$50,000 per yearb	0.52	0.34	0.1244
<High school educationc	0.07	0.43	0.8653
High school educationc	-0.36	0.48	0.4503
Some collegec	-0.54	0.35	0.1344
College graduatec	-0.70	0.38	0.0688
Singled	-0.58	0.42	0.1683
Unmarried, committed relationshipd	-0.58	0.30	0.0536
Separated, divorced, or widowedd	-0.32	0.62	0.6112
Smoking <28 weekse	-0.49	0.32	0.1224

^aReference: White.

^bReference: Income > $50,000 per year

^cReference: graduate or professional degree

^dReference: Married

^eReference: None