Table 4.

Multivariate analysis for the risk factors of multidrug-resistant tuberculosis ANRS, 2014.

Characteristics	Case	Control	COR	AOR	P-value
Age of participants
≤ 25	56	43	0.8 (0.48 –1.31)	2.9 (1.07 –7.68)	0.036
26–45	84	81	0.3 (0.16 – 0.74)	2.2 (0.89 –5.49)	0.09
≥46	13	29	1	1
Residence
Urban	114	97	0.6 (0.36–0.97)	0.5 (0.25 – 0.92)	0.03
Rural	39	56	1	1
Marital status
Single	56	53	1	1
Married	61	83	1.9 (0.98 – 3.9)	1.16 (0.52 – 2.58)	0.04
Divorced/widowed	35	17	0.7 (0.42 – 1.15)	2.4 (0.89 – 6.57)	0.08
Monthly income ( ETB)
≤ 500	54	47	0.2 (0.04 – 0.85)	0.1 (0.34 – 1.47)	0.003
501–1500	79	80	0.4(0.09 –1.33	0.2 (0.03 – 0.79)	0.24
1501–2000	10	16	(0.29 –1.12)	0.2 (0.03 – 0.75)	0.02
> 2001	10	3	1	1
Alcohol consumption
Yes	33	20	0.6 (0.29 –1.00)	0.5 (0.2 – 0.98)	0.04
No	120	133	1	1
Contact with MDR-TB patients
Yes	44	22	0.4 (0.24 – 0.74)	0.4 (0.19 – 0.39)	0.012
No	109	131	1	1
Floor of the living house
Mud	128	108	2.1 (1.19 – 3.6)	2.1 (0.93 – 4.4)	0.08
Cement/Other	25	44	1	1
Had cavitations on chest X-ray
Yes	95	53	0.3 (0.21 –0.53)	1.9 (1.07 – 3.38)	0.03
No	58	98	1	1
Category of TB treatment
Defaulters	1	3	2.9 (0.22 – 37.3)	2.7 (0.49 –14.9)	0.26
Treatment failure	135	66	17.7 (5.2 – 60.7)	13.5 (2.69 –70)	0.002
Relapse	14	57	2.1(0.56–8.1)	5.2 (0.31 – 88)	0.25
New case	3	26	1	1
Number of previous treatment
0 –1	32	62	1	1
2 and above	120	88	0.2 (0.12 – 0.48)	1.9 (0.95 –3.61)	0.07
Place of TB treatment
Home	21	49	1	1
Health facility	129	100	0.3 (0.19–0.59)	1.8 (0.9 –3.49)	0.09
Irregular treatment during intensive phase
Yes	22	9	0.4 (0.17 – 0.84)	1.1 (0.25 – 4.24)	0.97
No	131	143	1	1
Irregular treatment during continuation phase
Yes	26	17	0.5 (0.23 – 0.93)	0.8 (0.35 – 2.23)	0.89
No	127	83	1	1

Key: ANRS (Amhara National Regional State), COR (Crude odds ratio), AOR (Adjusted odds ratio)