Table 3

Association between sAF and macrosomia in the group of women with GDM only (no pregestational diabetes), assessed by multivariate logistic regression (n = 289*; 31 with macrosomia vs. 258 without macrosomia)

OR95% CIP
sAF (for 1-AU increase)3.801.20–12.000.02
Weeks of amenorrhea at sAF measurement0.920.56–1.000.06
Age of mother1.090.99–1.190.07
SBP (mmHg)1.010.97–1.040.63
DBP (mmHg)0.990.95–1.030.49
BMI before pregnancy1.010.94–1.090.70
Type of diabetes
 Late GDMReference0.84
 Early GDM0.900.32–2.51
Family history of diabetes
 NoReference0.10
 Yes0.460.18–1.16
Parity
 0Reference0.21
 11.910.69–5.29
 ≥22.620.88–7.48
Sex of newborn
 BoyReference0.29
 Girl1.560.68–3.56
Weeks of gestation at delivery1.270.96–1.680.09
  • *Fourteen women with missing data for at least one potential confounder among the 303 women with GDM were not included in the multivariate analysis.