A Comparison of Results from Two Sampling Approaches in the South African National HIV Prevalence, Incidence and Behavior Survey, 2012

By Khangelani Zuma, Olive Shisana,  Dr Dorina Onoya  Leickness Simbayi,Sean Jooste, Nompumelelo Zungu  |  | 

Background: South Africa implements variations of second-generation surveillance surveys to monitor the human immunodeficiency virus (HIV) epidemic.
Objective: This paper compares HIV estimates from two design variations: take all approach and sub-sampling approach to ascertain if any changes in the HIV epidemic are due to methodological changes or the inherent evolution of the epidemic.

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Scientific Research Publishing