Pre-pregnancy cardiovascular risk factors and racial disparities in birth outcomes: the Bogalusa Heart Study

Table 4 Relationship between preconception cardiovascular risk factors and preterm birth

	white						black						p for race^* risk factor interaction
	unadjusted		adjusted^¶		adjusted^†		unadjusted		adjusted^¶		adjusted^†		p for race^* risk factor interaction
	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	Unadjusted	adjusted^¶	adjusted^†
systolic BP	0.97	0.83–1.13	1.09	0.91–1.31	1.18	0.96–1.45	0.90	0.76–1.06	1.01	0.83–1.22	1.09	0.87–1.35	0.56	0.54	0.48
diastolic BP	0.90	0.76–1.07	1.00	0.82–1.21	1.21	0.97–1.52	0.97	0.81–1.15	1.10	0.90–1.34	1.21	0.96–1.53	0.57	0.60	0.89
Cholesterol^*	1.01	0.95–1.07	1.02	0.97–1.08	1.01	0.95–1.08	0.94	0.88–1.01	0.95	0.89–1.01	0.95	0.89–1.03	0.12	0.10	0.25
Triglyce-rides^*	0.95	0.90–1.00	0.96	0.91–1.01	0.98	0.93–1.03	0.97	0.91–1.04	0.99	0.92–1.07	0.99	0.91–1.08	0.59	0.50	0.82
LDL^*	1.00	0.94–1.07	1.02	0.96–1.08	1.01	0.94–1.08	0.93	0.87–1.00	0.94	0.87–1.02	0.92	0.85–1.00	0.14	0.12	0.14
HDL^*	1.10	1.00–1.22	1.08	0.97–1.20	1.03	0.92–1.17	1.00	0.89–1.13	0.98	0.86–1.11	1.08	0.93–1.24	0.23	0.25	0.89
glucose^*	0.98	0.87–1.10	0.96	0.85–1.09	0.94	0.82–1.07	0.89	0.80–0.99	0.86	0.77–0.96	0.86	0.75–0.99	0.21	0.19	0.15
insulin^*	0.93	0.68–1.28	1.08	0.80–1.48	0.89	0.58–1.38	0.82	0.60–1.13	0.88	0.64–1.22	0.96	0.70–1.33	0.60	0.51	0.94

* fasted
^¶adjusted for BMI
^†adjusted for smoking, Kotelchuck index, married, maternal education, time since screening, BMI, year of birth

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