Table 2 Univariate & Multivariate analysis of factors association with bacterial vaginosis among pregnant women attending ANC in Tikur Anbessa Hospital (November 2011 - April 2012)

Age (year)

   ≤20

3(17.6)

14(82.4)

1.09(0.27, 4.33)

   21-29

33(21.2)

123(78.8)

1.36(0.67, 2.77)

   30+

13(16.5)

66(83.5)

1.00

Religion

   Orthodox

40(22.2)

140(77.8)

1.00

   Muslim

7(13.7)

44(86.3)

0.56(0.23, 1.33)

   Protestant

2(9.5)

19(90.5)

0.37(0,08, 1.65)

Education

   < Grade 12 complete

25(23.1)

83(76.9)

1.51(0.81, 2.82)

   ≥ Grade 12 complete

24(16.7)

120(83.3)

1.00

Occupation

   Employed

19(18.1)

86(81.9)

1.00

   House wife

24(20.3)

94(79.7)

1.16(0.59, 2.26)

   Others

6(20.7)

23(79.3)

1.18(0.42, 3.3)

Income (ETB)

   ≤500

29(31.5)

63(68.5)

*5.26(2.16, 12.8)

3(0.6, 14.6)

0.17

   501-1500

13(17.8)

60(82.2)

2.48(0.93, 6.58)

   >1500

7(8.0)

80(92.0)

1.00

Number of LTSP

   One

20(10)

181(90)

1.00

   Two and above

29(56.9)

22(43.1)

*11.9(5.8, 24.5)

8.6(2.5, 29)

0.01*

Gestational age

   1st trimester

13(36.1)

23(63.9)

*3.46(1.48, 8.1)

1.9(0.4, 8.6)

0.40

   2nd trimester

19(20)

76(80)

1.53(0.75, 3.14)

   3rd trimester

17(14)

104(86)

1.00

Number of pregnancy

   Primigravidia

17(18.7)

74(81.3)

1.00

   Multigravidia

32(19.9)

129(80.1)

1.08(0.56, 2.08)

History of abortion

   Yes-spontaneous

12(50)

12(50)

*6.28(2.45, 16.11)

5.9(1.3, 23)

0.012*

   Yes-induce

2(33.3)

4(66.7)

3.14(0.54, 18.41)

   No

18(14)

113(86.3)

1.00

Vaginal bathing

   Daily

46(18.8)

199(81.2)

0.31(0.07, 1.43)

   Less than daily

3(42.9)

4(57.1)

1.00

Showering frequency

   Daily

16(57.1)

12(42.9)

*7.72(3.35, 17.78)

2.7(0.6, 12)

0.19

   Less than daily

33(14.7)

191(85.3)

1.00

Previous BV/GTI

   Yes

3(15)

17(85)

1.4(0.39, 4.99)

   No

46(19.8)

186(80.2)

1.00

Yeast infection

   Yes

9(32.1)

19(67.9)

2.18(0.92, 5.17)

   No

40(17.9)

184(82.1)

1.00