Table 3 Demographics of ITU study
Phenotype | ITU study (n = 494) | BET study (n = 136) | p value |
|---|---|---|---|
Mean age of pregnant person in years (SD) | 34.62 (4.82) | 29.16 (5.80) | < 0.01 |
BET exposure | 12 (2.43%) | 52 (38.24%) | < 0.01 |
Smoking during pregnancy (% yes) | 12 (2.43%) | 32 (23.53%) | < 0.01 |
Mean BMI before pregnancy (SD) | 23.82 (4.14) | 23.41 (3.68) | 0.50 |
Mean gestational age in weeks (SD) | 40.01 (1.61) | 38.16 (1.96) | < 0.01 |
Premature birth (before week 37) | 18 (3.64%) | 34 (25%) | < 0.01 |
Birth weight in grams | 3533.82 (503.17) | 3148.79 (480.09) |  < 0.01 |
Sex (% male) | 252 (51.01%) | 70 (51.47%) | 1.00 |