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Characteristics of mothers without and with obesity.
| Mothers with BMI <30 kg/m2 (n = 7,069) | Mothers with BMI ≥30 kg/m2 (n = 3,911) | p-value | |
|---|---|---|---|
| Mean age in years | 29.7 | 30.2 | <0.01 |
| Smokers | 1,404 (19.8%) | 965 (24.7%) | <0.01 |
| Gravidity | 2.73 | 3.16 | <0.01 |
| Pre-pregnancy BMI | 24.1 | 37.8 | <0.01 |
| Pre-pregnancy diabetes | 170 (2.4%) | 223 (5.7%) | <0.01 |
| Gestational diabetes | 581 (8.2%) | 749 (19.2%) | <0.01 |
| Pre-pregnancy hypertension | 230 (3.3%) | 532 (13.6%) | <0.01 |
| Gestational hypertension | 881 (12.5%) | 882 (22.6%) | <0.01 |
