Adjusted logistic regression of being Rifampicin mono-resistant, assessing the effect of age, overall and stratified by gender.

*<p>Adjusting for gender and quarter.</p>**<p>Adjusting for quarter.</p

Rifampicin mono-resistance over quarters from 2007 to 2009 overall and by gender.

*<p>A total of 431 patients had missing gender data.</p

Condom use.

<p>Condom use.</p

Sexual behavior.

<p>Sexual behavior.</p

Results of line probe assay testing by phenotypic drug susceptibility testing result.

<p>INH: isoniazid; RIF: rifampin; LPA: line probe assay; MDR: multidrug-resistant; XDR: extensively drug-resistant tuberculosis. TB: tuberculosis; DST: drug-susceptibility test</p><p>Results of line probe assay testing by phenotypic drug susceptibility testing result.</p

Proportion of isolates with <i>kat</i>G and/or <i>inh</i>A promoter mutations by drug resistance category.

<p>Proportion of isolates with <i>kat</i>G and/or <i>inh</i>A promoter mutations by drug resistance category.</p

Specific inhA promoter mutations found in each drug-resistance category.

<p>INH: isoniazid; DST: drug susceptibility testing; MDR: multidrug-resistant; XDR: extensively drug-resistant</p><p>Specific inhA promoter mutations found in each drug-resistance category.</p

Perceived ability to choose to use a condom and predictors of condom use at last sexual encounter.

<p>Perceived ability to choose to use a condom and predictors of condom use at last sexual encounter.</p

HIV/AIDS awareness and knowledge.

<p>HIV/AIDS awareness and knowledge.</p

Unadjusted and adjusted analysis of signs and symptoms associated with acute HIV Infection.

*<p>Model for behavioural and demographic factors adjusted for age in years, relationship status, education and age at sexual debut (data not shown), while model for symptoms and signs adjusted for sore throat, rash, loss of appetite, weight loss, genital ulcers and vaginal discharge.</p>**<p>Risk score model adjusting for age, sore throat, rash, loss of appetite, weight loss, genital ulcers and vaginal discharge.</p