| Type 1 diabetes (A) | GDM or later Type 2 diabetes (B) | Non-diabetes (C) | p-Value (A and C) | p-Value (B and C) |
Number of women | 45 | 228 | 14,583 | NT | NT |
Number of newborns | 81 | 455 | 30,023 | NT | NT |
Age at first pregnancy (yr) | 26.9; n = 46 | 26.7; n = 171 | 26.9; n = 13,079 | p = NS | p = NS |
Parity | 1.8 ± 0.8 | 2.0 ± 1.1 | 2.1 ± 1.0 | p = 0.04 | p = NS |
Smoking during pregnancy (%) | 7.4; n = 6 | 13.2; n = 60 | 12.1; n = 3641 | NS | NS |
Mean weight at beginning of pregnancy (kg) | 67.2 ± 13.0; n = 44 | 69.2 ± 13.9; n = 170 | 63.2 ± 10.4; n = 13,394 | p = 0.01 | p < 0.001 |
Mean BMI (kg/m2) | 24.2 ± 4.5; n = 41 | 25.2 ± 5.1; n = 166 | 22.7 ± 3.4; n = 12,874 | p = 0.003 | p < 0.001 |