Table 1.
Characteristics of mothers (n = 6348)
| Imputed | Complicated pregnancy1 | p-value | ||
|---|---|---|---|---|
| No (n=5421) | Yes (n=927) | |||
| Age, years (SD) | 29.7 (5.3) | 29.9 (5.2) | 28.9 (5.6) | <0.001 |
| Body mass index, kg/m2 (range) | 23.7 (15.2–51.2) | 23.8 (15.2–51.2) | 23.3 (15.8–50.2) | <0.001 |
| Data missing | ||||
| Ethnicity (%) | <0.001 | |||
| Dutch | 3031 (47.7) | 2656 (49.0) | 375 (40.1) | |
| Turkish | 654 (10.3) | 546 (10.1) | 88 (9.5) | |
| Surinamese | 569 (9.0) | 433 (8.0) | 143 (15.4) | |
| Moroccan | 458 (7.2) | 421 (7.8) | 45 (4.9) | |
| Cape Verdean | 302 (4.8) | 235 (4.3) | 68 (7.3) | |
| Dutch Antillean | 246 (3.9) | 190 (3.5) | 59 (6.4) | |
| Other Western | 689 (10.9) | 605 (11.2) | 86 (9.3) | |
| Other non-Western | 399 (6.3) | 335 (6.2) | 63 (6.8) | |
| Data Missing | ||||
| Education level (%) | <0.001 | |||
| Low/Middle | 3807 (60.0) | 3178 (58.6) | 628 (67.7) | |
| High | 2541 (40.0) | 2243 (41.4) | 299 (32.3) | |
| Data missing | ||||
| Parity (%) | <0.001 | |||
| Nulli parity | 3503 (55.2) | 2865 (52.9) | 638 (68.8) | |
| Multi parity | 2845 (44.8) | 2556 (47.1) | 289 (31.2) | |
| Data missing | ||||
| Smoking during pregnancy (%) | <0.001 | |||
| No | 5136 (80.9) | 4462 (82.3) | 675 (72.8) | |
| Yes | 1211 (19.1) | 959 (17.7) | 252 (27.2) | |
| Data missing | ||||
| Children’s gender | 0.65 | |||
| Female | 3209 (50.5) | 2733 (50.4) | 475 (51.2) | |
| Male | 3139 (49.5) | 2687 (49.6) | 452 (48.8) | |
| Data missing | ||||
| H. pylori and CagA | ||||
| H. pylori-negative | 3433 (54.1) | 2979 (55.0) | 454 (49.0) | <0.001 |
| H. pylori-positive | 2915 (45.9) | 2442 (45.0) | 473 (51.0) | |
| CagA-negative | 1892 (64.9) | 1604 (65.7) | 288 (60.9) | <0.001 |
| CagA-positive | 1023 (35.1) | 838 (34.3) | 185 (39.1) | |
Values are means (SD), medians (range) or absolute numbers (percentages).
1
Pregnancy complicated by PE, SGA, or PTB