Table 1.
Clinical and demographic characteristics of the study population.
| Characteristic | Discovery cohort (n = 20) | Validation cohort (n = 14) |
|---|---|---|
| Maternal age (years) (Median (IQR)) | 23 (20,23) | 24 (22,25) |
| Gestational age at biospecimens collection (weeks) (Median (IQR)) | ||
| At enrolment (Visit 1) | 10w3d (8w2d,12w5d) | 11w3d (10w2d,12w4d) |
| At Visit 2 | 18w4d (18w1d,19w5d) | 18w5d (18w3d,19w5d) |
| At Visit 3 | 26w3d (26w2d,27w4d) | 26w2d (26w1d,26w3d) |
| BMI (kg/m2) (Median (IQR)) | ||
| At enrolment (Visit 1) | 20.34 (18.69,22.37) | 22.86 (19.31,25.18) |
| At Visit 2 | 21.34 (19.84,22.73) | 23.14 (19.02,25.11) |
| At Visit 3 | 22.55 (20.56,24.10) | 23.63 (21.08,26.80) |
| Parity (Median (IQR)) | 0 (0,1) | 1 (0,1) |
| Gravida (Median (IQR)) | 2 (1,2) | 2 (2,4) |
| Socioeconomic status [n (%)] | ||
| Upper middle class | 4 (20.00) | 3 (21.43) |
| Lower middle class | 9 (45.00) | 4 (28.57) |
| Upper lower class | 7 (35.00) | 7 (50.00) |
| A habit of tobacco chewing [n (%)], Never | 20 (100.00) | 14 (100.00) |
| Gestational age at delivery (weeks) (Median (IQR)) | 38w3d (38w2d,39w5d) | 40w3d (39w3d, 40w5d) |
| Birth weight (kg) (Median (IQR)) | 3.00 (2.65,3.11) | 3.11 (2.91,3.28) |
| Sex of the baby [n (%)] | ||
| Male | 11 (55.00) | 6 (42.86) |
| Female | 9 (45.00) | 8 (57.14) |