Table 3.

Multivariable logistic regression model of obstetric hemorrhage (OH). Odds ratios with 95% confidence intervals (CI) are shown and the p value for association of each variable with OH is shown in the left-hand column.

Parameter		OR	95% CI
Hospital (<0.0001)	CHB	1.00	.	.
	GSH	1.19	0.84	1.67
	KEH	0.38	0.25	0.56
	MMH	0.68	0.51	0.91
Age [Years] (0.9620)	<=19	1.00	.	.
	20–24	0.90	0.59	1.36
	25–29	1.02	0.66	1.60
	30–34	0.95	0.58	1.55
	35–39	0.89	0.51	1.54
	40+	0.98	0.48	1.97
Hemoglobin [g/dL] (<0.0001)	<=9.2	3.16	2.03	4.90
	9.3–10.0	1.49	0.91	2.44
	10.1–10.5	1.39	0.83	2.34
	10.6–11.0	1.00	.	.
	11.1–11.4	0.96	0.55	1.69
	11.5–11.8	1.16	0.69	1.97
	11.9–12.2	1.21	0.73	2.01
	12.3–12.6	1.06	0.61	1.84
	12.7–13.3	1.24	0.75	2.06
	13.4+	0.75	0.42	1.35
Prenatal Care (<0.0001)	Booked	1.00	.	.
	Unbooked	2.56	1.59	4.10
Birth Weight [g] (0.0008)	<=2,100	1.00	.	.
	2,105–2,525	1.19	0.73	1.94
	2,530–2,760	0.99	0.56	1.75
	2,765–2,925	1.11	0.62	1.98
	2,930–3,060	1.03	0.56	1.90
	3,065–3,190	1.21	0.67	2.20
	3,195–3,320	1.15	0.62	2.13
	3,323–3,480	1.83	1.04	3.23
	3,485–3,700	2.06	1.17	3.62
	3,705+	2.57	1.47	4.47
Gestational Age [Weeks] (0.0030)	<=34	2.37	1.47	3.84
	35–36	1.54	0.97	2.44
	37	1.75	1.16	2.66
	38	1.25	0.86	1.82
	39	0.86	0.57	1.32
	40	1.00	.	.
	41	0.88	0.54	1.43
	42+	1.31	0.64	2.68
HIV Status (0.7233)	No	1.00	.	.
	Yes	0.95	0.72	1.25
Gravidity (0.0493)	1	1.00	.	.
	2	1.25	0.89	1.74
	3	1.41	0.96	2.07
	4+	1.79	1.19	2.70