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Table 1 Baseline characteristics among the total sample and by intervention group of the original ROLO study

From: Fetal metabolic influences of neonatal anthropometry and adiposity

  Total Intervention Control P-value
(n = 185) (n = 89) (n = 96)
  Mean (SDa)  
Maternal age (years) 32.6 (4.2) 33.0 (3.8) 32.4 (4.3) 0.415
Maternal early pregnancy BMIa (kg/m2) 26.9 (4.7) 27.4 (4.9) 26.6 (4.5) 0.267
Total gestational age (days) 282.9 (7.2) 284.1 (7.0) 281.7 (7.3) 0.022
Neonatal birthweight (kg) 4.08 (0.48) 4.11 (0.51) 4.05 (0.45) 0.414
  Median (IQRa)  
Cord C-peptide (ng/ml) 567.13 (4106.2) 619.66 (4106.2) 562.67 (3044) 0.0.991
Cord leptin (ng/ml) 27.40 (28.6) 29.8 (30.68) 26.66 (28.60) 0.0.978
  N (%)  
Mother smoked in pregnancy 5 (2.7) 3 (3.4) 2 (2.2) 0.596
Mother achieved third level education education 100 (54.1) 42 (47.2) 57 (59.4) 0.104
Male baby 85 (45.9) 44 (49.4) 41 (42.7) 0.322
  1. aBMI, body mass index; IQR, interquartile range; SD, standard deviation. P-values calculated by the independent samples t-test for normally distributed continuous variables, Mann–Whitney U test for non-normal continuous variables (cord C-peptide and leptin) and the chi-squared test for categorical variables