Table 5. Associations with TB recurrence in Cox regression analysis.

	Cox regression (n = 643)
	Hazard ratio	95% CI	p
Unadjusted analysis
TB-related knowledge score (below patient median)	2.1	1.2–3.6	0.008
Regression adjusted for:
(i) Sex, MDR-TB, HIV and smoking	2.3	1.2–4.2	0.009
(ii) the variables in (i) plus other respiratory diseases	2.3	1.2–4.2	0.009
(iii) the variables in (ii) plus age, body mass index, treatment delay, and diabetes	2.6	1.3–5.0	0.004
(iv) the variables in (iii) plus incomplete schooling, chronic poverty, past TB, strongly positive TB microscopy grade	2.6	1.3–5.2	0.008

Abbreviations: n = number.