Table 2 Risk of hypertensive disorder of pregnancy by different maternal characteristics in nulliparous women.
Characteristics | Observation population (N) | HDP | GH | PE | |
|---|---|---|---|---|---|
N(%) | N(%) | N(%) | |||
Overall | 5191 | 258(5.0) | 141(2.7) | 117(2.3) | |
Maternal age (years) | <35 | 5138 | 241(4.7) | 130(2.5) | 111(2.2) |
≥35 | 53 | 17(32.1) | 11(20.8) | 6(11.3) | |
Education (years) | ≤12 | 3974 | 203(5.5) | 109(2.7) | 94(2.4) |
>12 | 1217 | 51(4.5) | 32(2.6) | 23(1.9) | |
Occupation | Unemployed | 3091 | 155(5.0) | 82(2.7) | 73(2.4) |
Employed | 2100 | 103(4.9) | 64(2.8) | 44(2.1) | |
Living area | Rural | 4313 | 220(5.1) | 123(2.9) | 97(2.2) |
City | 878 | 38(4.3) | 18(2.1) | 20(2.3) | |
BMI at first antenatal visit (kg/m2) | <24 | 4623 | 208(4.5) | 106(2.3) | 102(2.2) |
≥24 | 568 | 50(8.8) | 35(6.2) | 15(2.6) | |
Alcohol consumption | No | 5101 | 256(5.0) | 141(2.8) | 115(2.3) |
Yes | 90 | 2(2.2) | 0(0.0) | 2(2.2) | |
Smoking | No | 5170 | 257(5.0) | 141(2.7) | 116(2.3) |
Yes | 21 | 1(4.8) | 0(0.0) | 1(4.8) | |
Anemia | No | 5026 | 245(4.9) | 131(2.6) | 114(2.3) |
Yes | 165 | 13(7.9) | 10(6.1) | 3(1.8) | |
Virus infection | No | 4899 | 240(4.9) | 131(2.7) | 109(2.2) |
Yes | 292 | 18(6.2) | 10(3.4) | 8(2.7) | |
GDM | No | 5119 | 251(4.9) | 138(2.7) | 113(2.2) |
Yes | 72 | 7(9.7) | 3(4.2) | 4(5.6) | |
History of medical disorders | No | 4899 | 234(4.8) | 127(2.6) | 107(2.2) |
Yes | 292 | 24(8.2) | 14(4.8) | 10(3.4) | |
Conception climate | Winter type | 2201 | 125(5.7) | 69(3.1) | 56(2.5) |
Transitional type | 1693 | 82(4.8) | 42(2.5) | 40(2.4) | |
Summer type | 1297 | 51(3.9) | 30(2.3) | 21(1.6) | |
Infant sex | Boy | 2718 | 144(5.3) | 78(2.9) | 66(2.4) |
Girl | 2473 | 114(4.6) | 63(2.5) | 51(2.1) | |
psychological stress | No | 5004 | 247(4.9) | 135(2.7) | 112(2.2) |
Yes | 187 | 11(5.6) | 6(3.1) | 5(2.6) | |
