TABLE 1.
Sociodemographic and clinical characteristics of study cohortsc
| Characteristic | Term delivery (n = 30) | Preterm delivery (n = 8) | P value |
|---|---|---|---|
| Maternal age (yr)a | 32 (24–37) | 34 (27–41) | 0.3204 |
| Ethnicity, African | 30/30 (100) | 8/8 (100) | |
| Body mass index (kg/m2)a | 21.0 (18.2–25.6) | 22.3 (18.6–25.4) | 0.5367 |
| Underweight (<18.50) | 1/30 (33.3) | 0/8 (0) | |
| Normal wt (18.51–24.9) | 28/30 (93.3) | 7/8 (87.5) | |
| Overweight (25.0–29.9) | 1/30 (33.3) | 1/8 (12.5) | |
| Parity | 0.5284 | ||
| 0 | 11/30 (34.5) | 2/8 (25) | |
| 1 | 6/30 (21) | 3/8 (37.5) | |
| 2 | 9/30 (31) | 1/8 (12.5) | |
| 3 | 4/30 (13.8) | 2/8 (25) | |
| Smoking (ever) | 1.0 | ||
| Yes | 0/30 (0) | 0/8 (0) | |
| No | 30/30 (100) | 8/8 (100) | |
| Mode of deliveryb | 0.2575 | ||
| Vaginal | 15/30 (50) | 6/8 (75) | |
| Caesarean section | 15/30 (50) | 2/8 (25) | |
| Fetal sexb | 0.4258 | ||
| Male | 18/30 (60) | 3/8 (37.5) | |
| Female | 12/30 (40) | 5/8 (62.5) | |
| Fetal birth wt (kg)a | 3.2 (2.75–4.10) | 2.55 (2.4–3.1) | <0.001d |
a
t test.
b
Fisher’s exact test.
c
Data shown as median (range) or no. with characteristic/total no. (%).
d
Boldface indicates significant variable.