Table 2.
Preterm birth, and Preterm Birth Subgroup, Status of Infants Born 2009–2011, by Mothers’ Race and Preterm Birth Status: an Intergenerational Study, Allegheny County, Pennsylvania
| All mothers N=6,592 |
NH white mothers N=4,733 |
NH black mothers N=1,859 |
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| Term birth | Preterm birth | Term birth | Preterm birth | Term birth | Preterm birth | |||||||
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| Infant Characteristics | n | % | n | % | n | % | n | % | n | % | n | % |
| Preterm birth status | ||||||||||||
| Term birth | 5,628 | 92.14 | 423 | 87.40 | 4,177 | 92.74 | 207 | 90.39 | 1,451 | 90.46 | 216 | 84.71 |
| Preterm birth | 480 | 7.86 | 61 | 12.60 | 327 | 7.26 | 22 | 9.61 | 153 | 9.54 | 39 | 15.29 |
| Preterm birth subgroups | ||||||||||||
| Late preterm birth | 390 | 6.39 | 47 | 9.71 | 277 | 6.15 | 18 | 7.86 | 113 | 7.04 | 29 | 11.37 |
| Early preterm birth | 90 | 1.47 | 14 | 2.89 | 50 | 1.11 | 4 | 1.75 | 40 | 2.49 | 10 | 3.92 |