Table 3. Results of fitting multiple logistic regression models for factors associated with unsuccessful outcomes.

(1) Overall model
Factor	Level	Adjusted Odds Ratio1	95% confidence limits	P-value
HIV status	Uninfected	1	Reference level	0.26
	Infected	1.7	( 0.68; 4.29)
Duration of TB symptoms	1 week increase	0.93	(0.89; 0.98)	0.002
(2) Model for HIV-infected patients only
Age group	18 – 30	1	Reference level	0.034
	>30 – 40	2.68	0.73; 9.83
	> 40	0.25	0.04; 1.69
Sex	Female	1	Reference level	0.004
	Male	7.77	( 1.55; 38.8)

¹Odds ratios adjusted for other terms in the model