HIV-related data collected includes the study viral load result (copies/mL), World Health Organization stage prior to the initiation of antiretroviral therapy, Arm to which participant was randomised at enrolment (Club/Clinic; Club=adherence club, Clinic=primary health care clinic), Current antiretroviral therapy regimen, Prior lifelong antiretroviral therapy, and Duration of therapy
Other data collected on individuals includes information on whether they are currently working and/or studying, their household income source and employment type, and receipt of government grants.