Table 1.
Maternal and infant demographics.
| Demographics |
Preterm
(≤33 weeks) |
Late preterm (34–36 wks) |
Full-term (≥37 weeks) |
|---|---|---|---|
| Total per group, n (%) | 7 (7.6) | 24 (26) | 61 (66) |
| Maternal: | |||
| Age, years, median (range) | 30 (18–35) | 28 (20–38) | 25 (18–36) |
| Race, n (%) | |||
| Black | 5 (71%) | 17 (71%) | 33 (54%) |
| Caucasian | - | 2 (8%) | 15 (46%) |
| Other | - | - | 3 (5%) |
| Not reported | 2 (29%) | 5 (21%) | 10 (16%) |
| Ethnicity, n (%) | |||
| Non-hispanic | 4 (57%) | 21 (88%) | 51 (84%) |
| Hispanic | - | 2 (8%) | 4 (7%) |
| Unknown | 3 (43%) | 1 (4%) | 6 (10%) |
| Gravida > G1, n (%) | 7 (100%) | 22 (92%) | 56 (92%) |
| Parity >P1, n (%) | 6 (86%) | 13 (54%) | 37 (61%) |
| Public insurance, n (%) | 5 (71%) | 16 (67%) | 50 (82%) |
| Education less than high school, n (%) | 3 (43%) | 2 (8%) | 13 (21%) |
| Infant: | |||
| Gender, male, n (%) | 4 (57%) | 10 (42%) | 32 (52%) |
| Birth weight, grams, median (range) | 1,301 (977–1,996) | 2,492 (1,844–3,275) | 3,216 (2,183–4,535) |
| Race | |||
| Black | 7 (100%) | 20 (87%) | 40 (66%) |
| Caucasian | - | 1 (4%) | 15 (24%) |
| Not reported | - | 2 (8%) | 5 (8%) |
| Other | - | 1 (4%) | 1 (2%) |
| Ethnicity | |||
| Non-hispanic | 7 (100%) | 20 (87%) | 58 (84%) |
| Hispanic | 0 | 2 (9%) | 4 (6%) |