Participant characteristics by sex (N = 530).

aChi-square test.bSexually active / not sexually active is participant-defined.cAvailable for N = 406. In the Africa Centre surveillance system household membership is not conditional on residency, an individual can be recorded as a non-resident household member if they are residing in a household outside the demographic surveillance area (DSA) but remain socially connected to a household in the DSA. Changes in residence by individuals are documented within the DSA and into or out of the DSA since January 2000.dAvailable for N = 429. Households reside in a location that is designated rural if population density2.Participant characteristics by sex (N = 530).