Table 4.

Associations with longer treatment delay. Note that treatment delay data was subjected to logarithmic transformation prior to linear regression analysis (see Methods section).

	Unadjusted linear regression		Linear regression adjusted for disease severity		Linear regression adjusted for demographics & disease severity
	(n = 937)		(n = 895)		(n = 895)
	Coefficient	p	Coefficient	p	Coefficient	p
TB-related knowledge score (below patient median)	0.061	0.02	0.065	0.02	0.031	0.3
Demographic factors
Age; above patient median years	0.11	<0.001			0.11	<0.001
Male sex	−0.028	0.3			−0.060	0.03
Did not complete secondary school	0.080	0.003			0.080	0.003
Chronic poverty (wealth index below patient median)	0.10	<0.001			0.094	<0.001
Crowded (above patient median)	−0.044	0.1
TB disease severity
Past TB	0.033	0.3
Multi-drug resistant TB	0.039	0.4
Body mass index (below patient	0.061	0.02	0.067	0.01	0.087	0.001
TB microscopy grade strongly positive	0.070	0.01	0.068	0.02	0.063	0.02

Abbreviations: n = number.