Table 3.

Difference in Carotid Intima-Media Thickness (mm) According to Preterm Birth and Clinical Subtypes; Women with Term Births Are the Referent

	All preterm births		Clinical presentation				Gestational age at delivery
	Preterm (n = 146)	p	Spontaneous (n = 97)	p	Indicated (n = 49)	p	34-< 37 weeks (n = 113)	p	<34 weeks (n = 33)	p
Model 1a
Carotid IMT (all segments)	0.018 (0.01)	0.019	0.007 (0.01)	0.411	0.040 (0.01)	0.002	0.022 (0.01)	0.010	0.004 (0.01)	0.762
Common carotid IMT	0.010 (0.01)	0.144	−0.001 (0.01)	0.869	0.032 (0.01)	0.001	0.012 (0.01)	0.106	0.003 (0.01)	0.816
Carotid bulb IMT	0.039 (0.02)	0.013	0.030 (0.02)	0.081	0.056 (0.03)	0.044	0.044 (0.02)	0.014	0.021 (0.03)	0.415
Internal carotid IMT	0.013 (0.01)	0.265	0.002 (0.01)	0.908	0.037 (0.02)	0.061	0.020 (0.01)	0.134	−0.010 (0.02)	0.620
Model 2a
Carotid IMT (all segments)	0.014 (0.01)	0.052	0.005 (0.01)	0.561	0.034 (0.01)	0.009	0.018 (0.01)	0.026	0.001 (0.01)	0.965
Common carotid IMT	0.007 (0.01)	0.300	−0.003 (0.01)	0.741	0.026 (0.01)	0.010	0.009 (0.01)	0.217	0.000 (0.01)	0.999
Carotid bulb IMT	0.033 (0.01)	0.029	0.024 (0.02)	0.138	0.050 (0.03)	0.075	0.038 (0.02)	0.028	0.014 (0.02)	0.554
Internal carotid	0.011 (0.01)	0.336	0.0003 (0.01)	0.980	0.034 (0.02)	0.101	0.018 (0.01)	0.171	−0.012 (0.02)	0.578

Model 1 adjusted for age, race/ethnicity, smoking, and BMI; Model 2 adjusted for factors in model 1 and systolic blood pressure, total cholesterol, and antihypertensive medication.

^aAll models account for cohort sampling weights.