Table 3.

Associations with below-median TB-related knowledge score analysed as the outcome (dependent) variable in logistic regression for all participants (healthy controls, people with suspected TB and TB patients) and also analysed only for TB patients.

	All participants				TB patients
	Unadjusted regression		Adjusted regression		Unadjusted regression		Adjusted regression
	n = 3439		n = 3317		n = 943		n = 900
	Odds ratio	p	Odds ratio	p	Odds ratio	p	Odds ratio	p
TB suspect versus TB patients	1.8	<0.001	1.9	<0.001	NA	NA	NA	NA
Healthy controls versus TB patients	4.8	<0.001	5.4	<0.001	NA	NA	NA	NA
Demographic factors
Age (above patient median)	1.1	0.07			2.3	<0.001	2.3	<0.001
Male sex	1.3	0.001	1.7	<0.001	0.96	0.8
Did not complete secondary school	1.7	<0.001	1.9	<0.001	2.1	<0.001	1.9	<0.001
Chronic poverty (wealth index below patient median)	1.2	0.003			1.7	<0.001
TB disease severity
Past TB	0.51	<0.001	0.54	<0.001	0.80	0.2
Multi-drug resistant TB	NA	NA	NA	NA	0.72	0.1
Body mass index (below patient median)	0.79	0.003			0.63	0.001	0.69	0.008
TB microscopy grade strongly positive	NA	NA	NA	NA	1.1	0.5

Abbreviations: n = number; NA = not applicable.