Table 1. Baseline maternal characteristics and pregestacional pathologies by maternal categories of body mass index.
| Underweight | Normal | Overweight | Obese | p-value | |
| 273 (4.2%) | 3.534 (53.9%) | 1.635 (24.9%) | 1.116 (17%) | ||
| Age (years), means (SD) | 26.6 (6.2) | 29.6 (6.1) | 30.3 (5.9) | 30.5 (5.8) | <0.001a |
| TAS (mm Hg), means (SD) | 116.5 (15.4) | 119.5 (14.9) | 124.7 (16.2) | 128.3 (17.5) | <0.001a |
| TAD (mm Hg), means (SD) | 70.9 (10.4) | 72.2 (10.9) | 70.9 (10.4) | 77.3 (11.9) | <0.001a |
| Socio-cultural status % | |||||
| High | 15.4 | 18.8 | 19.2 | 19.2 | 0.215b |
| Middle | 39.9 | 33.4 | 35.6 | 34.3 | |
| Low | 44.7 | 47.9 | 45.2 | 46.4 | |
| Smoking % | 9.2 | 13.6 | 13.3 | 12.7 | 0.199b |
| Primigesta % | 39.9 | 40.9 | 42.9 | 41.8 | 0.544b |
| Pre-gestational diabetes % | 0.4 | 0.5 | 0.6 | 1.3 | 0.028b |
| Pre-gestational hypertension % | 0 | 0.4 | 1.3 | 6.2 | <0.001b |
| Asthma % | 1.1 | 1.5 | 1.9 | 3 | 0.01b |
| Infertility % | 0.4 | 0.7 | 0.9 | 1 | 0.053b |
a
p from Anova test.
b
p from χ2-test.