TABLE 10.

Prevalence of private health insurance, Medicaid, or no health insurance at delivery among women with unstable insurance who had private insurance before pregnancy, by selected maternal characteristics — Pregnancy Risk Assessment Monitoring System, 29 states,^* 2009

	Private					Medicaid					Uninsured
Characteristic	No.†	%§	(95% CI)	AOR¶	(95% CI)	No.	%	(95% CI)	AOR**	(95% CI)	No.	%	(95% CI)
Age (yrs)
≤19	31	18.2	(9.8–26.7)	3.5	(0.6–19.6)	546	22.1	(19.0–25.1)	7.2	(1.7–30.6)	13	3.8	(1.2–6.3)
20–25	35	27.6	(15.1–40.1)	1.1	(0.3–4.1)	934	39.2	(35.6–42.8)	3.8	(1.4–10.3)	45	27.8	(14.9–40.8)
26–34	45	32.7	(19.7–45.6)	0.9	(0.3–3.3)	767	31.3	(27.9–34.6)	2.6	(1.0–6.3)	85	46.4	(33.4–59.4)
≥35	25	21.5	(15.2–27.9)	Ref.	Ref.	200	7.5	(5.5–9.5)	Ref.	Ref.	27	22.0	(12.2–31.7)
Race/Ethnicity
White, non- Hispanic	50	40.4	(27.0–53.7)	Ref.	Ref.	1,125	55.4	(52.5–58.3)	Ref.	Ref.	115	75.2	(64.6–85.8)
Black, non- Hispanic	34	26.3	(19.9–32.8)	10.4	(2.8–37.9)	619	22.3	(20.1–24.4)	5.2	(2.0–14.0)	12	5.6	(4.0–7.2)
Hispanic	19	17.7	(11.5–23.8)	8.4	(1.6–45.9)	355	16.7	(14.3–19.0)	5.8	(1.9–17.6)	13	4.0	(2.0–6.0)
American Indian/Alaska Native	8	2.0	(0.6–3.3)	0.4	(0.1–2.1)	89	0.9	(0.5–1.2)	0.1	(0.0–0.3)	11	4.8	(1.3–8.2)
Other	23	13.6	(2.8–24.5)	3.2	(0.7–15.5)	240	4.8	(3.5–6.0)	0.8	(0.2–2.6)	16	10.4	(0.5–20.3)
Education
<High school	30	21.3	(6.9–35.7)	—††	—††	462	18.7	(15.8–21.6)	—††	—††	14	5.0	(3.2–6.7)
High school	37	26.7	(12.5–41.0)	—††	—††	869	35.9	(32.3–39.5)	—††	—††	36	14.4	(10.0–18.9)
>High school	66	52.0	(38.8–65.1)	—††	—††	1,080	45.4	(41.7–49.0)	—††	—††	116	80.6	(75.8–85.4)
Marital status
Married	68	45.6	(32.2–58.9)	Ref.	Ref.	906	35.2	(31.9–38.5)	Ref.	Ref.	131	81.5	(72.7–90.2)
Not married	67	54.4	(41.1–67.8)	2.3	(0.9–6.0)	1,537	64.8	(61.5–68.1)	3.1	(1.4–6.6)	39	18.5	(9.8–27.3)
Federal poverty level
≤200%	65	59.4	(46.7–72.0)	1.7	(0.7–4.3)	1,697	74.2	(70.9–77.5)	3.3	(1.7–6.2)	57	36.3	(25.7–47.0)
>200%	53	40.6	(28.0–53.3)	Ref.	Ref.	536	25.8	(22.5–29.1)	Ref.	Ref.	100	63.7	(53.0–74.3)
Prenatal care initiation
First trimester	97	69.3	(56.7–81.8)	—††	—††	1,846	77.8	(74.9–80.7)	—††	—††	143	82.6	(70.7–94.5)
Later	37	30.7	(18.2–43.3)	—††	—††	552	22.2	(19.3–25.1)	—††	—††	23	17.4	(5.5–29.3)
Delivery location
Hospital	135	99.9	(99.8–100.0)	—§§	—§§	2,435	99.6	(99.3–99.9)	—§§	—§§	139	84.2	(75.8–92.7)
Residence	—¶¶	—¶¶	—¶¶	—§§	—§§	11	0.4	(0.1–0.7)	—§§	—§§	30	15.8	(7.3–24.2)
Parity
Primiparous	64	42.8	(33.8–51.8)	—††	—††	1,353	55.7	(52.0–59.3)	—††	—††	72	42.9	(31.3–54.6)
Multiparous	70	57.2	(48.2–66.2)	—††	—††	1,086	44.3	(40.7–48.0)	—††	—††	94	57.1	(45.6–68.7)
Pregnancy intention
Intended	62	58.3	(50.4–66.2)	—††	—††	956	38.0	(34.5–41.6)	—††	—††	95	60.0	(48.0–72.0)
Unintended	73	41.7	(33.8–49.6)	—††	—††	1,450	62.0	(58.4–65.5)	—††	—††	71	40.0	(28.0–52.0)

Abbreviations: AOR = adjusted odds ratio; CI = confidence interval; Ref. = reference.

^*Alaska, Arkansas, Colorado, Delaware, Georgia, Hawaii, Illinois, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, and Wyoming.

^†Unweighted sample size.

^§Weighted percentage.

^¶AOR comparing characteristics of women who had private coverage at delivery compared with those who were uninsured, among those who started out with private coverage before pregnancy.

^**AOR comparing characteristics of women who had Medicaid coverage at delivery compared with those who were uninsured, among those who started out with private coverage before pregnancy.

^††AOR not presented because findings were not significant in the unadjusted and adjusted models.

^§§Estimates unreliable because of small cell size.

^¶¶Estimates not presented for cell size of five or fewer.