Prevalence of sexual behaviors, condom use and circumcision by race in three South African surveys – SABSSM (South African National HIV Prevalence, HIV Incidence, Behavior and Communication Survey) 2002 and 2005, NCS (National Communication Survey) 2009.
*
P<0.01, **P<0.001, ***P<0.0001 (The P-values refer to comparisons be