Table 1.
Characteristics of the matched case and control pregnancies from the EDEN mother-child cohort.
| n | All | Control | Case | p |
|---|---|---|---|---|
| 560 | 368 | 192 | ||
| Medical Center | 0.93 | |||
| Poitiers | 41.4% (232) | 41.3% (152) | 41.7% (80) | |
| Nancy | 58.6% (328) | 58.7% (216) | 58.3% (112) | |
| Sex | 0.88 | |||
| Female | 46.4% (260) | 46.2% (170) | 46.9% (90) | |
| Male | 53.6% (300) | 53.8% (198) | 53.1% (102) | |
| Maternal age (years) | 29.3 ± 4.5 | 29.3 ± 4.5 | 29.3 ± 4.7 | 0.91 |
| BMI (kg/m2) | 23.1 ± 4.5 | 23.0 ± 4.4 | 23.3 ± 4.7 | 0.51 |
| < 18.5 | 10% (56) | 10.6% (39) | 8.9% (17) | 0.80 |
| [18.5-25] | 64.6% (362) | 65.2% (240) | 63.5% (122) | |
| [25-30] | 17.7% (99) | 16.5% (62) | 19.3% (37) | |
| ≥ 30 | 7.7% (43) | 7.3% (27) | 8.3% (16) | |
| Gestational age at blood sampling (WG) | 26.2 ± 1.2 | 26.3 ± 1.2 | 26.2 ± 1.2 | 0.79 |
| Smoking during pregnancy* | ||||
| No | 71.2% (398) | 73.3% (269) | 67.2% (129) | 0.13 |
| Yes | 28.8% (161) | 26.7% (98) | 32.8% (63) |
*Information was missing for one woman.