Group A | Group B | p-value | |
---|---|---|---|
Age | n = 3496 | n = 2555 | 0.705 |
< 18 | 14 (0.4%) | 9 (0.35%) | |
18–29 | 1668 (47.71%) | 1184 (46.34%) | |
30–39 | 1640 (46.91%) | 1237 (48.41%) | |
> 39 | 174 (4.98%) | 125 (4.89%) | |
Maternal BMIa | n = 2908 | n = 2005 | 0.438 |
Underweight | 126 (4.33%) | 77 (3.84%) | |
Normal Weight | 1660 (57.08%) | 1134 (56.87%) | |
Overweight | 737 (25.34%) | 499 (24.89%) | |
Obese | 385 (13.24%) | 295 (14.71%) | |
Nationality | n = 3496 | n = 2555 | < 0.01 |
Belgian | 2804 (80.21%) | 1891 (74.01%) | |
Non-Belgian | 692 (19.79%) | 664 (25.99%) | |
Parity | n = 3496 | n = 2555 | < 0.01 |
Primiparous | 1493 (42.71%) | 1238 (48.45% | |
Multiparous | 2003 (57.29%) | 1317 (51.55%) |