| | |
No risk factors
|
A
|
B
|
C
|
D
|
X
|
|---|
|
Age
|
≤25
|
24.7%
|
21.6%
|
26.3%
|
22.4%
|
14.7%
|
21.3%
|
| |
25–30
|
46.3%
|
47.4%
|
46.7%
|
44.1%
|
38.5%
|
46.0%
|
| |
30–35
|
19.5%
|
21.2%
|
18.2%
|
20.9%
|
27.1%*
|
20.1%
|
| |
≥35
|
9.6%
|
9.8%
|
8.7%
|
12.6%
|
19.8%*
|
12.6%*
|
|
Area
|
Rural area
|
93.9%
|
89.6%
|
94.0%
|
94.0%
|
94.3%
|
92.2%
|
|
Race
|
Han
|
92.7%
|
91.6%
|
92.5%
|
88.7%
|
84.0%*
|
84.2%*
|
|
Education
|
Secondary school or lower
|
71.5%
|
64.8%*
|
69.4%
|
71.8%
|
77.4%
|
75.5%
|
| |
High school
|
18.7%
|
19.7%
|
18.7%
|
17.1%
|
13.8%*
|
16.6%
|
| |
College or higher
|
9.8%
|
15.5%*
|
11.8%
|
11.1%
|
8.8%
|
8.0%
|
- *P value <0.05 compared with those women having no risk factors
