Table 3 Factors associated with HBV among females sex workers at Hawassa City, Southern Ethiopia, 2019 (n = 381)

Age in years

16–19

5(14.3)

86(24.6)

2.15(0.22, 20.73)

0.47(0.05, 4.49)

20–24

16(45.7)

158(45.7)

1.23(0.15, 10.51)

0.81(0.09, 6.90)

25–29

10(28.6)

80(23.6)

1.0(0.11, 8.85)

1.0(0.11, 8.85)

30–34

3(8.6)

14(4.0)

0.58(0.05, 6.59)

1.71(0.15, 19.34)

35–40

1(2.9)

8(2.3)

1

1

Marital status

Married

1(2.90)

10(2.9)

1

1

Single

26(74.3)

263(76.0)

1.01 (0.13, 8.22)

1.00(0.10, 9.96)

Widowed

4(11.4)

33(9.5)

0.83(0.82,8.25)

1.01(0.34, 3.05)

Divorced

4(11.4)

40(11.6)

1.0(0.10, 9.96)

0.83(0.19, 3.55)

Educational Status

No formal education

7(20.0)

68(19.7)

1.19(0.38, 3.76)

0.84(0.27, 2.66)

1–4

3(8.6)

44(12.7)

1.79(0.42, 7.61)

0.56(0.13, 2.36)

5–8

19(54.3)

185(53.5)

1.19(0.45, 3.15)

0.84(0.32, 2.21)

9 and above

6(17.1)

49(14.2)

1

1

Residence

Rural

5(14.3)

124(35.8)

1

1

Urban

30(85.7)

222(64.2)

0.29(0.11, 0.79)

0.74(0.37, 1.51)

Living status depend on

Family

31(88.6)

188(54.3)

1

0.98(0.43, 2.25)

Not on family

4(11.4)

158(54.7)

6.51(2.25,18.85)

1

Having dependent people

Yes

28(80.0)

159(46.0)

1

1

No

7(20.0)

187(54.0)

4.70(2.00, 11.06)

1.28(0.43,3.84)*

Monthly Income

501–1000

8(22.9)

90(26.0)

0.99(0.20, 2.39)

1001–1500

15(42.9)

62(17.9)

0.69(0.08, 0.81)

1501–3000

8(22.9)

129(37.3)

0.25(0.29, 3.42)

3001–7000

4(11.4)

65(18.8)

1

Dependent Size

No dependents

7(20.0)

187(54.0)

1

0.94(0.34, 2.61)

1–2

23(65.7)

118(34.1)

0.19(0.80, 0.46)

0.55(0.17, 1.84)

2–4

5(14.3)

41(11.8)

0.31(0.09, 1.02)

1

Condom use

Yes

10(28.6)

230(66.5)

1

1

No

25(71.4)

116(33.5)

4.96(2.30, 10.67)

6.38(2.04, 18.51)

Condom Breakage during sex

Yes

6(60.0)

61(26.5)

4.16(1.13, 15.23)

2.10 (1.95,4.62)

No

4(40.0)

169(73.5)

1

1

Alcohol consumption

Yes

21(60.0)

287(82.9)

3.24(1.56, 6.74)

1.21(0.45, 3.26)

No

14(40.0)

59(17.1)

1

1

Use of stimulant

Yes

29(82.9)

214(61.8)

2.98(1.21, 7.37)

3.25(1.59, 18.63)

No

6(17.1)

132(38.2)

1

1

Duration of prostitution service

< 1

3(8.6)

62(17.9)

4.74(1.30, 17.34)

1

2–5

18(51.4)

223(64.5)

2.84(1.34, 6.04)

2.03(0.49, 8.50)

> 6

14(40.0)

61(17.6)

1

1.84(1.33, 2.14)

Type of sex usually used

Vaginal only

24(68.6)

263(76.0)

1

1.20(0.34, 4.26)

Vaginal and anal

5(14.3)

34(9.8)

0.62(0.22, 1.73)

0.75(0.29, 1.92)

Vaginal and oral

6(17.1)

49(14.2)

0.75(0.29, 1.92)

1

Vaccinated

Yes

1(2.9)

1(0.3)

1

1

No

34(97.1)

345(99.7)

10.15(0.62, 165.88)

0.99(0.06, 1.61)

History of STI

Yes

20(57.1)

80(23.1)

4.43(2.17, 9.06)

2.15(1.02, 6.93)*

No

15(42.9)

266(76.9)

1

1

History of Genital ulcer

Yes

18(51.4)

87(25.1)

3.15(1.56, 6.39)

4.64(1.31, 11.35)

No

17(48.6)

259(74.9)

1

1

Number of clients used per day

< 5

9(25.7)

202(58.4)

1

1

> 5

26(74.3)

144(41.6)

4.05(1.84, 8.91)

3.25(1.59, 7.47)

Sexes during menses

Yes

4(11.4)

7(2.0)

6.25(1.7, 22.53)

5.85(1.29,21.44)

No

31(88.6)

339(98.0)

1

1

Sexual Assault

Yes

9(25.7)

35(10.1)

3.08(1.34, 7.09)

2.93(1.23,9.01)

No

26(74.3)

311(89.9)

1

1

Blood received

Yes

2(5.7)

8(2.3)

1

1

No

33(94.3)

338(97.7)

2.56(0.52, 12.56)

0.39(0.08, 1.92)

Use of sharp material

Yes

8(22.9)

22(6.4)

4.36(1.78, 10.73)

4.98(1.34,10.95)

No

27(77.1)

324(93.6)

1

1

History of Abortion

Yes

9(25.7)

30(8.7)

3.65(1.67, 8.49)

2.46(1.18, 12.19)

No

26(74.3)

316(91.3)

1

1