Table 4. Multivariate regression analysis for risk of adverse pregnancy outcomes in delivery-associated hospitalizations.

Variables	LOS	HTN	PROM	IUGR	Cesarean delivery
White
African-American	0.27*** (0.23–0.32)	1.38*** (1.19 –1.60)	1.15 (0.92 – 1.43)	1.33 (0.95–1.86)	0.97 (0.87–1.08)
Other races	−0.03 (−0.07 to 0.004)	0.90 (0.79–1.03)	0.83 (0.69–0.997)*	1.09 (0.82–1.45)	1.10* (1.004–1.20)
DM + PM	1.87*** (1.69–2.05)	2.90*** (2.00–4.22)	1.54 (0.76–3.10)	1.87 (0.79–4.45)	1.17 (0.85–1.62)
Control
Age	0.019*** (0.016–0.022)	1.01 (1.00–1.02)	1.006 (0.99–1.02)	0.98 (0.96–1. 0 1)	1. 0 4 4*** (1.038–1.05)
Diabetes	1.37*** (1.16–1.58)	2.94*** (2.04–4.23)	0.76 (0.33–1.73)	0.35 (0.05–2.49)	1.49** (1.11–1.99)

Values are OR (95% CI) for all variables from multivariate logistic regression analyses, except for LOS for which linear regression was used and the β coefficients (95% CI) are shown.

^*p < 0.05.

^**p < 0.01.

^***p < 0.001 compared to controls.