Population and antenatal-based HIV prevalence estimates in a high contracepting female population in rural South Africa |
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| Authors: | Brian D Rice Jörg Bätzing-Feigenbaum Victoria Hosegood Frank Tanser Caterina Hill Till Barnighausen Kobus Herbst Tanya Welz Marie-Louise Newell |
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| Affiliation: | (1) Africa Centre for Health & Population Studies, KwaZulu Natal, South Africa;(2) Department for Infectious Disease Epidemiology, Robert Koch-Institute, Berlin, Germany;(3) London School of Hygiene and Tropical Medicine, Centre for Population Studies, London, UK;(4) Department of HIV and Genitourinary Medicine, King's College London School of Medicine at Guy's, King's College and St Thomas' Hospitals, London, UK;(5) Centre for Paediatric Epidemiology and Biostatistics, Institute of Child Health, London, UCL, UK |
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| Abstract: | ![]()
Background To present and compare population-based and antenatal-care (ANC) sentinel surveillance HIV prevalence estimates among women in a rural South African population where both provision of ANC services and family planning is prevalent and fertility is declining. With a need, in such settings, to understand how to appropriately adjust ANC sentinel surveillance estimates to represent HIV prevalence in general populations, and with evidence of possible biases inherent to both surveillance systems, we explore differences between the two systems. There is particular emphasis on unrepresentative selection of ANC clinics and unrepresentative testing in the population. |
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