Mean age of pregnant person in years (SD)
|
28.46 (6.24)
|
29.60 (5.51)
|
0.28
|
Ethnicity non-European (%)
|
3 (5.8%)
|
7 (8.3%)
|
1.00
|
Smoking during pregnancy (% yes)
|
14 (26.92%)
|
18 (21.42%)
|
0.60
|
Mean BMI before pregnancy (SD)
|
24.30 (5.17)
|
23.81 (4.21)
|
0.58
|
Mean time between BET administration and birth in days (SD)
|
67.38 (29.87) up to 7 days: 1 7–28 days: 4 28–56 days: 14 over 56 days: 33
|
NA
|
NA
|
Mean gestational age at birth in weeks (SD)
|
38.03 (2.10)
|
38.23 (1.88)
|
0.56
|
Preterm birth (before week 37)
|
17 (32.69%)
|
17 (20.42%)
|
0.15
|
Delivery mode: C-section
|
11 (21.15%)
|
24 (28.57%)
|
0.44
|
Labor
|
49 (94.23%)
|
72 (85.71%)
|
0.21
|
Parity
|
1.65 (1.02)
|
1.97 (1.41)
|
0.13
|
Birth weight in grams
|
3069 (539)
|
3198 (436)
|
0.15
|
Sex (% male)
|
24 (46.15%)
|
46 (54.76%)
|
0.42
|