Table 1.
General characteristics of the study population (n = 542).
| Characteristics | na (%) |
|---|---|
| Sex | |
| Female | 232 (42.8) |
| Male | 310 (57.2) |
| Birthweight (g) | |
| Median (p25–p75) | 1172 (940–1436) |
| Gestational age (weeks) | |
| Median (p25–p75) | 29 (27–31) |
| < 26 | 27 (5.0) |
| 26–27 | 118 (21.8) |
| 28–29 | 148 (27.3) |
| 30–31 | 249 (45.9) |
| Small for gestational ageb | |
| Yes (< 10th percentile) | 52 (9.7) |
| No (≥ 10th percentile) | 485 (90.3) |
| Missing | 5 (0.9) |
| Type of pregnancy | |
| Singleton | 372 (68.6) |
| Multiple | 170 (31.4) |
| Parity | |
| 0 | 342 (63.2) |
| 1 | 144 (26.6) |
| ≥ 2 | 55 (10.2) |
| Missing | 1 (0.2) |
| Caesarean | |
| No | 156 (29.1) |
| Yes | 381 (70.9) |
| Missing | 5 (0.9) |
| Maternal agec | |
| Median (p25–p75) | 31 (27–35) |
| < 25 | 85 (15.7) |
| 25–34 | 300 (55.4) |
| ≥ 35 | 157 (29.0) |
| Native mother | |
| No | 81 (15.1) |
| Yes | 454 (84.9) |
| Missing | 7 (1.3) |
| Neighborhood socio-economic deprivation | |
| Least deprived (q1–q4) | 447 (83.2) |
| Most deprived (q5) | 90 (16.8) |
| Missing | 5(0.9) |
| Length of hospital stay (days) | |
| Median (p25–p75) | 51(37–71) |
aCalculation of percentages does not include missing values.
bSGA, small for gestational age, based on intrauterine curves developed for the cohort54.
cThe sum of the categories surpasses 100% as the numbers were rounded up.