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Table 4 Neonatal outcomes in lifestyle intervention and control groups

From: Effects of a lifestyle intervention during pregnancy to prevent excessive gestational weight gain in routine care – the cluster-randomised GeliS trial

  Intervention Control Unadjusted effect size (95% CI) p value Adjusted effect sizea (95% CI) Adjusted p valuea
Birth weight, g 3313 ± 536b (n = 1015) 3363 ± 498 (n = 1003) – 50.2 (– 80.6 to – 19.7) 0.001 – 44.0 (– 81.0 to – 7.0) 0.020
Birth length, cm 51.1 ± 2.7 (n = 1011) 51.6 ± 2.5 (n = 992) – 0.5 (– 0.7 to – 0.2) < 0.001 – 0.5 (– 0.7 to – 0.2) 0.001
Head circumference, cm 34.6 ± 1.7 (n = 1008) 34.8 ± 1.5 (n = 973) – 0.2 (– 0.4 to 0.0) 0.070 – 0.2 (– 0.4 to 0.0) 0.093
Large for gestational age (> 90th percentile) 73/1013 (7.2%) 75/1003 (7.5%) 0.99 (0.87 to 1.12) 0.869 1.01 (0.86 to 1.20) 0.864
Small for gestational age (< 10th percentile) 88/1013 (8.7%) 84/1003 (8.4%) 1.06 (0.83 to 1.34) 0.651 1.03 (0.82 to 1.31) 0.780
Macrosomia (weight > 4500 g) 13/1015 (1.3%) 6/1003 (0.6%) 2.01 (0.58 to 6.89) 0.268 2.28 (0.66 to 7.90) 0.195
Preterm birth 72/1014 (7.1%) 60/1004 (6.0%) 1.21 (0.83 to 1.77) 0.319 1.18 (0.78 to 1.79) 0.437
Neonatal complications at birth 101/1014 (10.0%) 82/1001 (8.2%) 1.23 (0.90 to 1.68) 0.186 1.18 (0.86 to 1.61) 0.310
  1. aAdjusted for pre-pregnancy BMI, age and parity
  2. bMean ± SD (all such values)