TABLE 1.
Characteristics of Infants Enrolled in Medicaid With NAS, Medicaid Without NAS, and Private Insurance With NAS, United States, 2004–2014
| Characteristic | Medicaid With NAS, Weighted % (95% CI) | Medicaid Without NAS, Weighted % (95% CI) | Pa | Private With NAS, Weighted % (95% CI) | Pa |
|---|---|---|---|---|---|
| Unweighted, n | 28 251 | 3 963 085 | na | 4906 | na |
| Weighted population estimate | 137 575 | 18 961 469 | na | 23 834 | na |
| Female | 46.0 (45.3–46.6) | 49.0 (48.9–49.0) | <.001 | 44.1 (42.7–45.6) | .02 |
| Income quartile | .15 | <.001 | |||
| 1, lowest income | 39.4 (37.7–41.1) | 40.0 (38.5–41.4) | 21.0 (19.1–23.1) | ||
| 2 | 27.6 (26.6–28.7) | 28.7 (27.8–29.5) | 22.4 (20.9–23.9) | ||
| 3 | 21.6 (20.5–22.7) | 20.8 (20.0–21.5) | 27.5 (26.0–29.1) | ||
| 4, highest income | 11.4 (10.6–12.2) | 10.7 (9.7–11.6) | 29.0 (27.0–31.1) | ||
| Rural residence | 21.1 (19.2–23.1) | 16.8 (15.9–17.8) | <.001 | 14.5 (13.0–16.1) | <.001 |
| Preterm delivery, <37 wk | 17.7 (17.0–18.3) | 8.4 (8.1–8.6) | <.001 | 17.5 (16.3–18.7) | .78 |
| Any comorbidityb | 43.9 (42.9–44.9) | 12.8 (12.6–13.1) | <.001 | 47.2 (45.5–49.0) | <.001 |
Medicaid with NAS is the reference group. na, not applicable.
a
Medicaid With NAS is the reference group.
b
Any respiratory diagnosis, low birth wt, seizure, and feeding difficulty.5