Table 3.

Univariate and multivariate analysis of Incidence rate of TB among clients enrolled in UTT and differed programs in Gurage Zone, 2019

Predictors	Event/p-M	IR/100P-Y	CIRR(95%CI)	p.value	AIRR(95%CI)
Over all	39/9766	4.79	–	–	–
Program
UTT	6/ 3417	2.10	0.33 (0.11–0.81)	0.003	0.25 (0.08–0.70)*
Differed	33/6349	6.23	1		1
Age	–	–	1.01 (0.97–1.04)	0.622	–
Sex
Male	14/3134	5.36	1.18 (0.56–2.37)	0.230	1.33 (0.64–2.75)
Female	25/6632	4.52	1		1
Residence
Rural	26/ 4094	7.6	2.77 (1.42–5.38)	0.001	1.58 (0.82–3.05)
Urban	13/5672	2.75	1
Employment
Employed	21/6999	3.60	1		1
Unemployed	18/2767	7.80	2.16 (1.34–5.10)	0.001	2.2 (0.82–4.54)
Marital status
Married	23/4920	5.60	1.41 (0.71–2.86)	0.14	1.73 (0.88–3.40)
Unmarried	16/4846	3.96	1		1
Educational status
Illiterate	16/3680	5.22	1.15 (0.56–2.27)	0.33
Literate	23/ 6086	4.53	1
Weight	–	–	0.97 (0.94–1.00)	0.110	0.97 (0.94–1.01)
WHO stage
Stage I/II	9/3600	3.00	0.51 (0.26–0.96)	0.018	0.70 (0.61–0.94)*
Stage III/IV	30/6166	5.84	1		1
IPT
Yes	15/6800	2.64	0.27 (0.18–0.56)	0.001	0.35 (0.22–0.48)*
No	24/2966	9.71	1		1
Treatment failure
Yes	5/ 422	14.2	3.25 (1.10–8.36)	0.015	5.80 (1.93–8.46)*
No	34/ 9344	4.37	1		1
Base line CD4 count	–	–	0.99 (0.98–1.00)	0.050	0.96(.94–0.99)*

*AIRR Adjusted Incidence Rate Ratio, *IRR Incidence Rate Ratio, *CIRR Crude Incidence Rate Ratio