Table 1.
Demographics and clinical characteristic of participants in the study cohort.
| Term (N = 40) |
Preterm (N = 6) |
Overall (N = 46) |
|
|---|---|---|---|
| [n (%)] | |||
| Ethnicity | |||
| African | 7 (17.5) | 4 (66.7) | 11 (23.9) |
| Black-Caribbean | 3 (7.5) | 1(16.7) | 4 (8.7) |
| White European | 26 (65.0) | 1 (16.7) | 27 (58.7) |
| Unclassified | 4 (10.0) | 0 (0) | 4 (8.7) |
| Age (years) | |||
| 20–30 | 5 (12.5) | 0 (0) | 5 (10.9) |
| 30–40 | 32 (80.0) | 6 (100) | 38 (82.6) |
| 40–50 | 3 (7.5) | 0 (0) | 3 (6.5) |
| BMI (kg/m 2 ) | |||
| Underweight (BMI < 18) | 1 (2.5) | 0 (0) | 1 (2.2) |
| Healthy weight (18.5 ≥ BMI ≤ 24.9) | 21 (52.5) | 1 (16.7) | 22 (47.8) |
| Overweight (25 ≥ BMI ≤ 29.9) | 11 (27.5) | 3 (50) | 14 (30.4) |
| Obese (30 ≥ BMI ≤ 39.9) | 7 (17.5) | 1 (16.7) | 8 (17.4) |
| Morbidly obese (BMI > 40) | 0 (0) | 1 (16.7) | 1 (2.2) |
| PPROM during current pregnancy | |||
| Unknown | 7 (17.5) | 0 (0) | 7 (15.2) |
| No | 27 (67.5) | 4 (66.7) | 31 (67.4) |
| Yes | 6 (15) | 2 (33.3) | 8 (17.4) |
| Smoking | |||
| Current | 1 (2.5) | 0 (0) | 1 (2.2) |
| Ex—gave up before pregnancy | 6 (15) | 0 (0) | 6 (13) |
| Never | 33 (82.5) | 5 (83.3) | 38 (82.6) |
| Unknown | 0 (0) | 1 (16.7) | 1 (2.2) |
| Preterm birth risk status | |||
| High risk | 36 (90) | 6 (100) | 42 (91.3) |
| Low risk | 4 (10) | 0 (0) | 4 (8.7) |
BMI, body mass index, PPROM, preterm premature rupture of membranes.