Table 3 Readmission within three months of discharge in the study cohort.
| Infant group | Readmission rate | Range across sites |
|---|---|---|
| All infants (n = 1250) | 11.3 | 6.0–18.2 |
| Singleton birth (n = 735) | 12.7 | 6.7–22.2 |
| Multiple gestation birth (n = 515) | 9.2 | 0–15.8 |
| 30–32 weeks (n = 494) | 12.5 | 6.1–32.0 |
| 30–32 weeks, received antenatal steroids (n = 422) | 12.3 | 5.3–31.8 |
| 30–32 weeks, no antenatal steroids (n = 72) | 13.3 | 0.0–33.3 |
| 33–34 weeks (n = 756) | 10.5 | 2.2–17.9 |
| 33–34 weeks, received antenatal steroids (n = 422) | 11.3 | 0.0–27.8 |
| 33–34 weeks, no antenatal steroids (n = 334) | 9.4 | 0.0–14.8 |
| <2000 g (n = 745) | 11.4 | 5.7–23.8 |
| 2000+ g (n = 505) | 11.0 | 5.3–21.4 |
| Male infants (n = 638) | 14.4 | 4.9–20.0 |
| Female infants (n = 612) | 8.0 | 0.0–15.6 |
| White infants (n = 731) | 11.1 | 5.0–13.6 |
| African‐American infants (n = 177) | 14.1 | 0.0–38.5 |
| Asian infants (n = 167) | 10.6 | 0.0–33.3 |
| Hispanic infants (n = 129) | 9.8 | 0.0–50.0 |
| Infants with LOAV ⩾72 hours (n = 133) | 13.6 | 0.0–25.0 |
| Infants with oxygen in use at 28 days (n = 36) | 39.8 | 0.0–100.0 |
| Infants with oxygen in use at 36 weeks PMA (n = 37) | 31.0 | 0.0–50.0 |
| Mother did not complete high school (n = 92) | 9.4 | 0.0–66.7 |
| Mother completed high school (n = 1158) | 11.4 | 6.4–18.9 |
| Annual income <$30 000 (n = 159)* | 9.8 | 0.0–28.6 |
| Annual income $30 000–49 999 (n = 151) | 9.4 | 0.0–60.0 |
| Annual income ⩾50 000 (n = 744) | 11.8 | 3.2–17.4 |
Values are percentages.
LOAV, Length of assisted ventilation; PMA, postmenstrual age.
*14% of all respondents did not provide income information.