Table 3 Multiple logistic regression analysis of risk for lifetime symptoms of STI of the 12 to 24 years age group, odds ratio (OR) and 95% confidence interval (CI)

Residence

Urban

315

2655

1

Rural

1077

7939

1.13

0.98-1.3

Age in years

12-14

179

3089

1

15-19

578

4078

2.3

1.9-2.8

20-24

635

3427

2.9

2.3-3.6

Sex

Female

756

4363

1

Male

636

6231

2.9

2.3-3.5

Education

No schooling

177

1202

1

Primary

485

4074

0.98

0.81-1.2

Secondary and higher

730

5318

1.03

0.84-1.3

Marital status

Single

815

7024

1

Currently married

565

3494

1.4

1.2-1.7

Separated/Widowed/Divorced

12

76

1.7

0.90-3.2

Occupation

Student

388

3938

1

Household work

508

3807

1.3

0.98-1.6

Income-generating work

432

2408

0.88

0.73-1.1

Unemployed/others

64

441

0.91

0.67-1.2

Wealth index

Poorest

168

1601

1

2

253

1884

1.2

0.99-1.5

3

335

2233

1.3

1.1-1.6

4

362

2323

1.4

1.1-1.7

Rich

274

2553

1.0

0.79-1.3