Figure 3.

Some of the key data used to parameterize the model describing the Thibela TB randomized controlled trial among South African gold miners, 2006–2011. A) Proportion of miners in the baseline and final prevalence surveys that reported ever taking ART; B) proportion of smear-positive and smear-negative miners who had not started TB treatment at different times since detection, according to mining company; C) monthly rates of in- and out-migration. Bars (in part A), 95% confidence interval. ART, antiretroviral therapy; TB, tuberculosis.