| |
Overall adverse pregnancy outcomes
|
|---|
|
N (%)
|
OR(95% CI)
|
OR(95% CI)a
|
|---|
|
Age
|
|
≤ 25
|
1 (4.0)
|
0.19 (0.025,1.465)
|
0.184 (0.023, 1.485)
|
|
26–30
|
31 (17.9)
|
1.000
|
1.000
|
|
31–35
|
19 (24.7)
|
1.501 (0.785, 2.867)
|
1.438 (0.712, 2.902)
|
|
> 35
|
12 (48.0)
|
4.228 (1.762,10.149)*
|
4.743 (1.786,12.599)*
|
|
Residence
|
|
suburb/rural
|
54 (19.6)
|
1.000
|
1.000
|
|
city
|
9 (37.5)
|
2.467 (1.025, 5.937) *
|
2.192 (0.682, 7.041)
|
|
Education
|
|
junior high school or below
|
7 (36.8)
|
2.474 (0.896, 6.835)
|
0.671 (0.153, 2.940)
|
|
senior high schoolor graduate
|
24 (19.0)
|
0.998 (0.547, 1.821)
|
0.863 (0.434, 1.716)
|
|
undergraduate or above
|
29 (19.1)
|
1.000
|
1.000
|
|
Economic situation (per month)
|
|
poor level
|
8 (25.8)
|
1.075 (0.312, 9.694)
|
1.153 (0.322, 4.123)
|
|
moderate level
|
41 (19.2)
|
0.733 (0.342, 1.567)
|
0.827 (0.362, 1.887)
|
|
good level
|
11 (24.4)
|
1.000
|
1.000
|
|
Occupation
|
|
peasants
|
6 (31.6)
|
1.814 (0.661, 4.980)
|
1.493 (0.375, 5.945)
|
|
others
|
57 (20.3)
|
1.000
|
1.000
|
|
Smoking
|
|
yes
|
3 (60.0)
|
62.142 (8.931,432.397)*
|
59.201 (6.877,369.251)*
|
|
no
|
7 (2.37)
|
1.000
|
1.000
|
|
Alcohol intake
|
|
yes
|
5 (62.5)
|
6.724 (1.562, 28.952) *
|
6.583 (1.337, 26.589) *
|
|
no
|
3 (1.03)
|
1.000
|
1.000
|
- a Multivariate regression analysis and adjustment of age and residence, economic situation, smoking and alcohol intake
- * p < 0.05
