Table 1 Characteristics of the study population compared with women who did not participate after consenting (n = 1061)
Characteristic | Final cohort (n = 522) | Women excluded (n = 539) | p |
|---|---|---|---|
Mean maternal age (years) | 30.2 (18.1–44.2) | 29.9 (18.0–45.1) | 0.79 |
Mean maternal BMI (kg/m2) | 25.3 (16.6–48.3) | 25.5 (15.5–52.4) | 0.40 |
Nulliparas (%) | 42.3 (221) | 40.8 (220/539) | 0.62 |
Obesity (%) | 15.7 (82) | 15.8 (85/539) | 0.98 |
Smoking (%) | 10.7 (56) | 13.9 (75/539) | 0.11 |
GDM (%) | 6.5 (34) | 5.6 (27/486) | 0.64 |
Mean GWG (kg) | 12. 3 (−4.6–28.4) | n/a | |
Mean birth gestation (weeks) | 40. 2 (37.3–42.0) | 39.7 (27.0–42.4) | 0.06 |
Mean birth weight (g) | 3576 (2160–5120) | 3475 (950–5120) | 0.06 |
Macrosomia ≥4.5 kg (%) | 2.7 (14) | 2.1 (10/486) | 0.65 |
Male infants (%) | 49.0 (256) | 50.2 (244/486) | 0.71 |