Table 2 Number of subjects, prevalence and urban/rural prevalence ratio (PR(U/R)) with 95% confidence intervals (CI) of lifetime symptoms of STIs of 12 to 24 years age group by socioeconomic factors

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 value^a

<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 value^b

<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 value^a

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 value^a

<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 value^a

<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 value^a

<0.001

<0.001

0.0098

All

2970

9016

11.6

10.6

11.9

0.89 (0.79-1.00)