|
Characteristic
|
No. of subjects
|
Prevalence (%)
|
PR (U/R) 95% CI
|
|---|
|
Urban (U)
|
Rural (R)
|
All
|
Urban (U)
|
Rural (R)
|
|---|
|
Age in years
| | | | | | |
|
12-14
|
717
|
2551
|
5.5
|
5.2
|
5.6
|
0.93 (0.65-1.3)
|
|
15-19
|
1114
|
3542
|
12.4
|
10.7
|
13.0
|
0.82 (0.68-1.00)
|
|
20-24
|
1139
|
2923
|
15.6
|
14.0
|
16.3
|
0.86 (0.73-1.01)
|
|
p valuea
| | |
<0.001
|
<0.001
|
<0.001
| |
|
Sex
| | | | | | |
|
Male
|
1298
|
3821
|
14.8
|
13.2
|
15.3
|
0.86 (0.73-1.01)
|
|
Female
|
1672
|
5195
|
9.3
|
8.6
|
9.5
|
0.91 (0.76-1.09)
|
|
p valueb
| | |
<0.001
|
<0.001
|
<0.001
| |
|
Education
| | | | | | |
|
No schooling
|
297
|
1082
|
12.8
|
11.4
|
13.2
|
0.87 (0.61-1.2)
|
|
Primary
|
898
|
3661
|
10.6
|
10.7
|
10.6
|
1.0 (0.81-1.2)
|
|
Secondary or higher
|
1775
|
4273
|
12.1
|
10.4
|
12.8
|
0.82 (0.70-0.96)
|
|
p valuea
| | |
0.024
|
0.86
|
0.006
| |
|
Marital status
| | | | | | |
|
Single
|
2050
|
5789
|
10.4
|
9.5
|
10.7
|
0.88 (0.76-1.03)
|
|
Currently married
|
897
|
3162
|
13.9
|
12.8
|
14.2
|
0.90 (0.74-1.1)
|
|
Separated/Divorced/Widowed
|
23
|
65
|
13.6
|
26.1
|
9.2
|
2.8 (1.01-7.9)
|
|
p valuea
| | |
<0.001
|
0.001
|
0.0013
| |
|
Occupation
| | | | | | |
|
Student
|
1137
|
3189
|
9.0
|
7.7
|
9.4
|
0.81 (0.64-1.02)
|
|
Household work
|
905
|
3410
|
11.8
|
11.5
|
11.8
|
0.97 (0.79-1.2)
|
|
Income-generating Work
|
805
|
2035
|
15.2
|
13.3
|
16.0
|
0.83 (0.68-1.02)
|
|
Unemployed/others
|
123
|
382
|
12.7
|
13.8
|
12.3
|
1.1 (0.67-1.9)
|
|
p valuea
| | |
<0.001
|
<0.001
|
<0.001
| |
|
Wealth index
| | | | | | |
|
Poorest
|
165
|
1604
|
9.5
|
7.3
|
9.7
|
0.75 (0.43-1.3)
|
|
2
|
271
|
1866
|
11.8
|
11.1
|
12.0
|
0.93 (0.65-1.3)
|
|
3
|
412
|
2156
|
13.0
|
15.3
|
12.6
|
1.2 (0.94-1.6)
|
|
4
|
637
|
2048
|
13.5
|
13.7
|
13.4
|
1.0 (0.81-1.3)
|
|
Rich
|
1485
|
1342
|
9.7
|
8.3
|
11.3
|
0.74 (0.59-0.92)
|
|
p valuea
| | |
<0.001
|
<0.001
|
0.0098
| |
|
All
|
2970
|
9016
|
11.6
|
10.6
|
11.9
|
0.89 (0.79-1.00)
|
- Abbreviation: STI sexually transmitted infection.
- ap value is the test of heterogeneity; bp value for test of differences in the prevalence by sex.