Table 1.

Characteristics of pregnancies^* among privately-insured women aged 15–44 with and without congenital heart defects (CHD), 2007–2014

	No CHD (n=1,524,077)		CHD
			Any (n=2,334)		Severe (n=352)		Non-severe (n=1,982)
	N	%	N	%	N	%	N	%
Age at delivery (years)†
15–19	53,682	3.5	116	5.0	14	4.0	102	5.2
20–24	178,490	11.7	293	12.6	62	17.6	231	11.7
25–29	433,806	28.5	603	25.8	106	30.1	497	25.1
30–34	533,012	35.0	800	34.2	115	32.7	685	34.6
35–39	267,000	17.5	412	17.7	47	13.4	365	18.4
40–44	58,087	3.8	110	4.7	8	2.3	102	5.2
Region of residence at delivery‡
Northeast	207,706	13.6	357	15.3	68	19.3	289	14.6
North Central	379,289	24.9	605	25.9	78	22.2	527	26.6
South	610,221	40.0	775	33.2	120	34.1	655	33.1
West	308,254	20.2	574	24.6	82	23.3	492	24.8
Year of delivery
2008–09	396,929	26.0	526	22.5	71	20.2	455	23.0
2010–11	458,653	30.1	783	33.6	116	33.0	667	33.7
2012–14	668,495	43.9	1,025	43.9	165	46.9	860	43.4

^*Pregnancies lasting more than 20 gestational weeks.

^†Severe CHD: Non-severe CHD χ² p<0.05.

^‡18,630 women missing region of residence at delivery.