| Asia/Pacific Islands (N=14) | Latin America (N=71) | Africa (N=43) | Europe (N=1,948) | P value | |
| Age | 34 ± 5 | 32 ± 5 | 34 ± 4 | 33 ± 4 | 0.055 |
| Family history of GDM or type 2 diabetes | 33.3 | 58.0 | 31.4 | 59.0 | < 0.001 |
| GDM in a previous pregnancy | 5.6 | 6.2 | 15.7 | 11.8 | 0.276 |
| Gestational age at GDM diagnosis | 28 ± 5 | 26 ± 4 | 26 ± 5 | 27 ± 5 | 0.598 |
| GDM 100g-OGTT fasting glycemia (mg/dl) | 104.6 ± 29.9 | 93.6 ± 16.6 | 100.2 ± 15.6 | 89.2 ± 13.6 | < 0.001 |
| GDM 100g-OGTT area under the curve (mg/dl·min-1) | 553.1 ± 114.5 | 520.0 ± 58.5 | 526.5 ± 57.7 | 511.2 ± 50.7 | 0.001 |
| Prepregnancy BMI (kg/m2) | 21.7 ± 3.1 | 26.5 ± 5.8 | 28.1 ± 5.6 | 24.6 ± 4.6 | < 0.001 |
| Prepregnancy overweight or obese (BMI ≥25) | 18.8 | 55.8 | 73.3 | 37.1 | < 0.001 |
| Prepregnancy obesity (BMI ≥30) | 0.0 | 21.2 | 27.7 | 11.6 | < 0.001 |
| Excessive gestational weight gain | 12.5 | 23.4 | 28.9 | 13.0 | 0.001 |
| Postpartum BMI (kg/m2) | 24.7 ± 4.8 | 28.9 ± 5.8 | 28.9 ± 5.7 | 25.5 ± 4.6 | < 0.001 |
| Post-partum overweight (BMI ≥25) | 50.0 | 75.9 | 84.6 | 47.7 | < 0.001 |
| Post-partum obesity (BMI ≥30) | 12.5 | 44.8 | 30.8 | 15.3 | < 0.001 |