Table 2.
Maternal metabolic risk factors overall and according to the BMI-z-score trajectory classes
| Maternal metabolic risk factors | All | Low-BMI | Moderate-BMI | Rising- High-BMI |
P value |
|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | ||
| Pre-pregnancy BMI status, kg/m2 (n =1,420) | |||||
| Normal or underweight, < 25 | 637 (44.9) | 200 (31.4) | 391 (61.4) | 46 (7.2) | <0.001 |
| Overweight, 25-29.9 | 351 (24.7) | 90 (25.6) | 217 (61.8) | 44 (12.5) | |
| Obesity, ≥ 30 | 432 (30.4) | 86 (19.9) | 258 (59.7) | 88 (20.4) | |
| Gestational weight gain (n =1,313) | |||||
| Adequate | 321 (24.4) | 82 (25.5) | 212 (66) | 27 (8.4) | <0.001 |
| Inadequate | 244 (18.6) | 90 (36.9) | 133 (54.5) | 21 (8.6) | |
| Excessive | 748 (57.0) | 166 (22.2) | 463 (61.9) | 119 (15.9) | |
| Gestational diabetes (n =1,420) | |||||
| No | 1,344 (94.6) | 363 (27) | 819 (60.9) | 162 (12.1) | 0.005 |
| Yes | 76 (5.4) | 11 (14.5) | 48 (63.2) | 17 (22.4) | |
BMI, body mass index