Table 4 Univariable and multivariable analysis for factors associated with syphilis co- infection

 Male

1

 Female

1.04 (0.73–1.50)

 18–39

1

1

–

 40–64

1.34(0.95–1.87)

1.13(0.78–1.63)

0.514

 65–85

2.37(1.10–5.09)

1.34(0.57–3.13)

0.502

 Single

1

1

–

 Married

1.48(1.00–2.29)

1.42(0.94–2.14)

0.091

 Widow

1.88(1.50–3.90)

1.47(0.86–2.52)

0.158

 Polygamy

9.97(2.15–46.16)

8.51(1.71–42.37)

0.009

 Illiterate

1

1

–

 Primary

0.35(0.22–0.56)

0.38(0.23–0.61)

< 0.001

 Secondary

0.2(0.19–0.36)

0.26(0.14–0.50)

< 0.001

 College

0.18(0.05–0.60)

0.29(0.08–1.06)

0.062

 University

0.39(0.86–1.80)

0.77(0.16–3.67)

0.739

 Vendor

1

1

–

 Peasant

1.45(1.00–2.17)

1.15(0.77–1.72)

0.489

 Fisherman

2.43(0.51–11.58)

1.76(0.29–10.54)

0.535

 Employed

0.28(0.12–0.66)

0.33(0.14–0.78

0.011

 House wife

1.16(0.85–3.26)

1.57 (0.79–3.13)

0.202

 No

1

1

–

 Yes

3.93(2.07–7.44)

2.1(0.96–4.58)

0.063

 No

1

1

–

 Yes

5.76(1.37–24.34)

2.02(0.41–9.92)

0.388

 No

1

1

–

 Yes

5.34(2.95–9.65)

3.5(1.75–7.01)

< 0.001

 No

1

 Yes

0.92(0.27–3.08)

  < 50

1

 50–999

0.91(0.41–2.02)

 1000 or more

1.25(0.63–2.48)

 Not tested

0.79(0.49–1.30)