Table 2.

Multivariable logistic regression analysis for the risk factors of MTB complex infection among participants receiving care at two TB treatment sites in northern Nigeria.

Variables	Unadjusted		Adjusted
	OR	95% CI	AORa	95% CI
Age
>35 years1	Ref
≤35 years	1.97	[1.53–2.55]	2.03	[1.56–2.65]
Sex
Female1	Ref
Male	1.78	[1.39–2.29]	1.87	[1.42–2.46]
BMI
>19.21	Ref
≤19.2	1.93	[1.50–2.48]	1.85	[1.42–2.40]
HIV
Negative1	Ref
Positive	1.43	[1.08–1.89]	1.43	[1.06–1.92]
Cigarette smoking
Never smoke1	Ref
Current/ever smoke	1.92	[1.44–2.55]	1.58	[1.16–2.16]
Site
BDH Kaduna1	Ref
NTBLTC Zaria	0.65	[0.46–0.92]	0.57	[0.40–0.83]

¹Reference group; OR: odds ratio; CI: confidence interval; AOR: adjusted odds ratio.

^aAdjusted for level of education, ethnicity, livestock faming, and alcohol intake.

BMI: body mass index; BDH: Barau Dikko Hospital.

NTBLTC: National Tuberculosis and Leprosy Training Centre.