Table 4.

Odds ratios and 95% confidence intervals (CIs) of optimal multinomial logistic regression model, using successful as reference treatment outcome, HIV-negative status as reference covariate for HIV status, and active TB as reference covariate for Type TB

Covariate	Successful	Lost to follow-up (95% CI)	Unknown (95% CI)	Unsuccessful (95% CI)
Intercept	–	0.087 (0.052–0.144)*	0.03 (0.017–0.055)*	0.008 (0.003–0.02)*
Months after outbreak	–	0.953 (0.922–0.984)*	1.179 (1.157–1.203)*	1.034 (1.007–1.062)*
Age	–	1.018 (1.007–1.029)*	1.014 (1.002–1.026)*	1.044 (1.026–1.063)*
HIV negative	–	–	–	–
HIV not tested	–	1.175 (0.442–3.125)	3.291 (1.179–9.184)*	5.095 (1.103–23.534)*
HIV-positive	–	3.852 (1.262–11.756)*	1.48 (0.414–5.29)	11.942 (2.969–48.028)*
Active TB	–	–	–	–
Latent TB	–	2.029 (1.421–2.898)*	1.612 (1.112–2.338)*	1.662 (1.057–2.615)*
Age × HIV negative	–	–	–	–
Age × HIV not tested	–	1.021 (0.998–1.044)	0.987 (0.96–1.015)	0.996 (0.966–1.028)
Age × HIV positive	–	0.967 (0.938–0.996)*	0.981 (0.95–1.012)	0.973 (0.943–1.003)

^*Represents a statistically significant odds ratio (P < 0.05) indicating an association between the covariate and outcome, using a 95% CI.