Table 4.
No. | % | COR(95%CI) | AOR(95%CI) | ||
---|---|---|---|---|---|
Age |
<25 years |
63 |
21.7 |
1 |
1 |
25-30 years |
30 |
15.5 |
0.7(0.4-1.1) |
0.7(0.4-1.2) |
|
>30 years |
33 |
21 |
1.0(0.6-1.5) |
1.3(0.6-2.5) |
|
Husband’s residency status (hukou) |
Other |
111 |
18.9 |
1 |
1 |
Shanghai |
19 |
26 |
1.5(0.9-2.7) |
1.8(1.0-3.6) |
|
Years of education a |
<10 years |
89 |
20.3 |
1 |
1 |
>=10 years |
40 |
18.4 |
0.9(0.6-1.3) |
0.8(0.4-1.3) |
|
Employment status before and during pregnancy |
None |
49 |
22.2 |
1 |
1 |
Before only |
66 |
19.9 |
0.9(0.6-1.3) |
0.8(0.5-1.3) |
|
Before and during |
15 |
13.9 |
0.6(0.3-1.1) |
0.5(0.2-1.0) |
|
Health insurance status |
Without |
41 |
17.5 |
1 |
1 |
With |
83 |
20.5 |
1.2(0.8-1.8) |
1.3(0.8-2.1) |
|
Husband’s years of education |
<10 years |
75 |
20.4 |
1 |
1 |
>=10 years |
50 |
19.5 |
0.9(0.6-1.4) |
0.8(05–1.4) |
|
Household income |
Low |
33 |
14.7 |
1 |
1 |
Middle |
42 |
21.8 |
1.6(1.0-2.7) |
1.9(1.1-3.4) |
|
High |
54 |
25.2 |
2.0(1.2-3.2) |
3.5(1.7-5.5) |
|
Pregnancy and delivery history |
Previously delivered |
54 |
18.4 |
1 |
1 |
Previously pregnant, did not deliver |
19 |
14.2 |
0.7(0.4-1.3) |
0.7(0.4-1.4) |
|
First pregnancy | 57 | 24.5 | 1.4(1.0-2.2) | 1.7(0.9-3.0) |
COR crude odds ratio.
AOR adjusted odds ratio.