Table 3: multivariate logistic regression analysis of determinant factors for MDR-TB

Factors

Options

MDR TB

N=103

Non MDR TB

N=103

COR (95%CI)

Adjusted Odds Ratio (AOR) (95% CI)

Sex

Male

49(47.6%)

64(62.1%)

1

1

 

Female

54(52.4%)

39(37.9%)

1.808(1.04,3.15)

3.05(0.94,9.84)

Had history of pervious TB

Yes

96(93.2%)

25(24.3%)

42.79(17.57,10.17)

20.35 (5.13, 80.58)+

No

7(6.8%)

78(75.7%)

1

1

Occupational status

Employed

14(13.6%)

40(38.8%)

1

1

Unemployed

89(86.4%)

63(61.2%)

4.04(2.03,8.04)

0.47(0.12,1.92)

Income

≤25$

42(40.8%)

69(67.0%)

0.42(0.18,0.99)

1.2(0.28,5.22)

25-50$

28(27.2%)

14(13.6%)

1.38(0.51,3.74)

0.56(0.09,3.36)

50-100$

17(16.5%)

9(8.7%)

1.30(0.43,3.96)

1.37(0.20,9.19)

≥100$

16(15.5%)

11(10.7%)

1

1

Resided in Addis Ababa

Yes

80(77.7%)

61(59.2%)

1

1

No 

23(22.3%)

42(40.8%)

2.39(1.30,4.40)

2.04(0.65,6.38)

HIV infected

Yes

19(18.4%)

48(46.6%)

0.26 (0.13, 0.48)

0.65 (0.01, 0.28)+

No

84(81.6%)

55(53.4%)

1

1

Episodes of TB

One

34(33.0%)

90(87.4%)

1

1

More than1

9(67.0%)

13(12.6%)

14.06(6.89,28.63)

15.67 (4.18, 58.71)+

Biological TB site

Pulmonary

92(93.9%)

21(80.8%)

3.651(1.017,13.10)

6.83 (1.16, 40.17)+

Extra pulmonary

6(6.1%)

5(19.2%)

1

1

Category of treatment

Category I

48(46.6%)

96(94.1%)

1

1

Category II

39(37.9%)

2(2.0%)

39.0(9.03,168.37)

16.1 (2.40, 108.56)+

Category III

5(4.9%)

3(2.9%)

3.3 (0.76,14.54)

2.4 (0.29,21.38)

Category IV

11(10.7%)

1(1.0%)

22.0 (2.76,17.4)

7.7 (0.55,109.3)

Ever interrupted anti-TB drug

Yes

24(23.3)

10(9.7%)

2.8 (1.27,6.26)

0.2 (0.058,1.11)

No

79(76.7%)

93(90.3%)

1

1

+Indicates variable that showed significant association at p<0.05