Table 3.

Odds Ratio of Receipt of Early Prenatal Care Based on Income

	High vs. low income				Medium vs. low income
Year	adjOR	95% CI	unadjOR	95% CI	adjOR	95% CI	unadjOR	95% CI
2007	2.16	(1.18, 3.96)	4.50	(2.64, 7.65)	1.07	(0.66, 1.74)	1.77	(1.13, 2.77)
2008	2.07	(1.24, 3.47)	4.30	(2.80, 6.62)	1.02	(0.68, 1.53)	1.63	(1.14, 2.35)
2009	1.98	(1.27, 3.10)	4.12	(2.91, 5.82)	0.97	(0.70, 1.36)	1.51	(1.13, 2.03)
2010	1.90	(1.27, 2.84)	3.94	(2.94, 5.28)	0.93	(0.69, 1.25)	1.40	(1.09, 1.80)
2011	1.82	(1.22, 2.98)	3.77	(2.83, 5.02)	0.89	(0.66, 1.18)	1.30	(1.00, 1.67)
2012	1.74	(1.13, 2.68)	3.61	(2.59, 5.03)	0.84	(0.61, 1.17)	1.20	(0.89, 1.61)
2013	1.66	(1.01, 2.73)	3.46	(2.29, 5.21)	0.81	(0.55, 1.19)	1.11	(0.77, 1.50)
2014	1.59	(0.89, 2.84)	3.31	(1.99, 5.50)	0.77	(0.48, 1.23)	1.03	(0.65, 1.61)

Models were adjusted for race/ethnicity, insurance, parity, marital status, maternal age.

Adj, adjusted; CI, confidence interval; unadj, unadjusted.