Table 1 Baseline characteristics of pregnancy between the group of high level, low level of inhibin A and normal group
Low IHA (N = 275) | Normal IHA (N = 4600) | High IHA (N = 205) | P value | |
|---|---|---|---|---|
Age (year) (mean ± SD) | 27.20 ± 5.03 | 28.32 ± 14.48 | 29.43 ± 5.84 | 0.212 |
Body Weight (kg) (mean ± SD) | 56.38 ± 12.28 | 57.38 ± 11.25 | 57.84 ± 11.67 | 0.300 |
Body mass index (kg/m2) (mean ± SD) | 22.77 ± 4.43 | 23.21 ± 4.28 | 23.46 ± 4.32 | 0.170 |
Parity | 0.450 | |||
Nulliparity (n) (%) | 108 (39.3%) | 1978 (43.0%) | 90 (43.9%) | |
Multiparity (n) (%) | 167 (60.7%) | 2618 (57.0%) | 115 (56.1%) | |
Socioeconomic statusa | 0.470 | |||
Low (n) (%) | 183 (66.5%) | 3222 (70.0%) | 143 (69.8%) | |
High (n) (%) | 92 (33.5%) | 1378 (30.0%) | 62 (30.2%) | |
Smoking | 0.587 | |||
Non-smoker (n) (%) | 270 (99.6%) | 4539 (99.8%) | 195 (100%) | |
Smoker (n) (%) | 1 (0.4%) | 7 (0.2%) | 0 (0%) | |
Gestational age at screening (mean ± SD) | 15.38 ± 1.53 | 15.56 ± 2.08 | 15.44 ± 2.27 | 0.306 |
Gestational age at delivery (mean ± SD) | 38.36 ± 1.34 | 38.30 ± 1.86 | 38.09 ± 2.34 | 0.243 |