TABLE 1. Maternal and infant characteristics among cases of infant mortality attributable to birth defects (IMBD), by payment source for delivery*― United States, 2011–2013.
| Characteristic | Total† |
Private insurance |
Medicaid |
||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of IMBD cases | No. of live births | Rate§ (95% CI) | No. of IMBD cases | No. of live births | Rate§ (95% CI) | No. of IMBD cases | No. of live births | Rate§ (95% CI) | |
|
Total
|
11,111
|
9,542,603
|
11.6 (11.4–11.9)
|
4,227
|
4,391,048
|
9.6 (9.3–9.9)
|
5,580
|
4,163,142
|
13.4 (13.1–13.8)
|
|
Infant age group at death¶
| |||||||||
| Neonatal |
7,767 |
9,542,603 |
8.1 (8.0–8.3) |
3,020 |
4,391,048 |
6.9 (6.6–7.1) |
3,787 |
4,163,142 |
9.1 (8.8–9.4) |
| Postneonatal |
3,344 |
9,542,603 |
3.5 (3.4–3.6) |
1,207 |
4,391,048 |
2.8 (2.6–2.9) |
1,793 |
4,163,142 |
4.3 (4.1–4.5) |
|
Gestational age at birth**
| |||||||||
| Preterm |
5,375 |
1,069,836 |
50.2 (48.9–51.6) |
2,068 |
442,736 |
46.7 (44.7–48.7) |
2,679 |
517,340 |
51.8 (49.8–53.7) |
| Term |
5,736 |
8,472,767 |
6.8 (6.6–6.9) |
2,159 |
3,948,312 |
5.5 (5.2–5.7) |
2,901 |
3,645,802 |
8.0 (7.7–8.2) |
|
Maternal race/Ethnicity
| |||||||||
| White, non-Hispanic |
5,548 |
5,090,511 |
10.9 (10.6–11.2) |
2,901 |
3,039,303 |
9.5 (9.2–9.9) |
2,082 |
1,617,825 |
12.9 (12.3–13.4) |
| Black, non-Hispanic |
1,861 |
1,365,718 |
13.6 (13.0–14.2) |
426 |
349,951 |
12.2 (11.0–13.3) |
1,246 |
889,764 |
14.0 (13.2–14.8) |
| Hispanic |
2,953 |
2,338,059 |
12.6 (12.2–13.1) |
565 |
577,763 |
9.8 (9.0–10.6) |
1,921 |
1,412,422 |
13.6 (13.0–14.2) |
| Other |
582 |
672,661 |
8.7 (7.9–9.4) |
269 |
385,008 |
7.0 (6.2–7.8) |
256 |
214,677 |
11.9 (10.5–13.4) |
|
Maternal age (yrs)
| |||||||||
| <20 |
1,033 |
742,117 |
13.9 (13.1–14.8) |
158 |
116,418 |
13.6 (11.5–15.7) |
760 |
551,857 |
13.8 (12.8–14.8) |
| 20–34 |
7,923 |
7,374,464 |
10.7 (10.5–11.0) |
2,984 |
3,361,206 |
8.9 (8.6–9.2) |
4,002 |
3,237,908 |
12.4 (12.0–12.7) |
| >34 | 2,155 | 1,426,022 | 15.1 (14.5–15.8) | 1,085 | 913,424 | 11.9 (11.2–12.6) | 818 | 373,377 | 21.9 (20.4–23.4) |
* Includes residents during 2011–2013 of states that used the 2003 revised U.S. standard birth certificate, which added a checkbox indicating principal payment source for delivery: 33 states in 2011, 36 in 2012, and 38 in 2013.
† Includes Medicaid, private insurance, self-pay, other, and unknown categories of payment source for delivery.
§ Number of IMBD cases per 10,000 live births.
¶ Neonatal mortality is death of an infant with birth defects at <28 days of age. Postneonatal mortality is death of an infant with birth defects at ≥28 days to <1 year.
** Preterm birth is classified as <37 completed weeks of gestation. Term birth is classified as ≥37 completed weeks of gestation.