Table 1.
Baseline characteristics of the study population.
Characteristics | Total (N = 1,041) |
---|---|
Age, y | 29.5 ± 4.3 |
Pre-pregnancy BMI, kg/m2 | 20.5 ± 2.9 |
Monthly per capita income | |
<3,000 RMB | 392 (37.7) |
3,000–5,000 RMB | 355 (34.1) |
>5,000 RMB | 294 (28.2) |
Education level | |
Below high school | 226 (21.7) |
High school | 223 (21.4) |
Beyond high school | 592 (56.9) |
Nulliparous | 461 (44.3) |
Folic acid supplement | 761 (73.1) |
Family history of hypertension | 208 (19.9) |
Family history of diabetes mellitus | 138 (13.3) |
Smoking | 25 (2.4) |
Alcohol consumption | 300 (28.8) |
HDP | 60 (5.8) |
Gestational age at sampling, weeks | 13.7 ± 3.1 |
UA, μmol/L | 241.8 ± 50.1 |
eGFR, mL/min/1.73 m2 | 112.2 ± 10.8 |
GGT, U/L | 15.1 ± 8.8 |
ALP, U/L | 49.7 ± 13.7 |
LDH, U/L | 150.8 ± 21.9 |
AST/ALT | 1.19 ± 0.42 |
Data are presented as means ± standard deviation or n (%). BMI, body mass index; HDP, hypertensive disorders of pregnancy; UA, uric acid; eGFR, estimated glomerular filtration rate; GGT, gamma–glutamyl transpeptidase; ALP, alkaline phosphatase; LDH, lactate dehydrogenase; AST/ALT, aspartate aminotransferase to alanine aminotransferase ratio.