Determinants of regional differences in HIV prevalence in North-Western and Southern provinces of Zambia

Vesper H Chisumpa, University of Zambia

In Zambia, the predominant mode of HIV transmission is sexual intercourse between men and women, however, large variations in HIV prevalence rate and extent of the spread in different regions exist. Prevalence rates from the 2001-2002 Zambia Demographic and Health Survey(ZHS) range from 8.3%-lowest in Northern to 22%-highest in Lusaka regions. Northwestern and Southern regions have prevalence rates of 9.2% and 19.9% respectively. These regional variations are attributable to the fact unique determinants in each region drive the epidemic. Gaps in knowledge exist about precipitating factors spreading the epidemic in regions. This paper identifies some factors that could explain why HIV has spread in two regions of Zambia. The Northwestern region practices male circumcision as a traditional culture, while the Southern region does not, and allows polygamous marriages. The paper uses data from the ZDHS and reports from Antenatal Clinic Sentinel surveillance. Analysis of data involves univariate and bivariate.

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Presented in Session 13: Determinants of sub-national differences in HIV prevalence