Table 1—

Maternal characteristics

Blood glucose not controlledBlood glucose controlledP
n1,1882,030
Maternal age (years)31.3 ± 5.531.0 ± 5.70.571
≥35 years old28.227.80.807
Married74.977.00.184
Prepregnancy weight (lbs)188.3 ± 52.8162.8 ± 42.8<0.001
Prepregnancy BMI (kg/m2)32.0 ± 8.228.0 ± 6.8<0.001
Obese BMI (>35 kg/m2)29.113.4<0.001
Gravidity2.8 ± 1.82.5 ± 1.6<0.001
A1C at GDM diagnosis5.5 ± 0.95.1 ± 0.7<0.001
A1C ≥7.0 at diagnosis5.11.8<0.001
Received insulin58.423.7<0.001
  • Data are means ± SD or %.