T1DM   Reference group  
  Primipara Multipara P-value Primipara Multipara P-value
Preeclampsia 1.0 0.41 (0.34-0.48) < 0.001 1.0 0.38 (0.37-0.39) < 0.001
Gestational hypertension 1.0 0.72 (0.45-1.14) 0.16 1.0 0.59 (0.56-0.61) < 0.001
Major malformation 1.0 1.09 (0.80- 1.49) 0.59 1.0 0.93 (0.90-0.96) < 0.001
Perinatal mortality 1.0 0.42 (0.23-0.77) 0.005 1.0 0.56 (0.53-0.60) < 0.001
Preterm birth 1.0 0.82 (0.71-0.95) 0.007 1.0 0.64 (0.62-0.65) < 0.001
SGA 1.0 0.52 (0.37-0.74) < 0.001 1.0 0.50 (0.50-0.51) < 0.001
LGA 1.0 1.67 (1.47-1.89) < 0.001 1.0 1.93 (1.90-1.95) <0.001
Late neonatal death 1.0 1.38 (0.33-5.77) 0.66 1.0 0.93 (0.76-1.14) 0.49
*Preterm birth: birth before 37 completed weeks. SGA/LGA: small/large for gestational age. Late neonatal death: death after the first week but within the first 28 days of life.
Table 3: Crude odds ratios with confidence intervals, stratified for parity and diabetes status.