PMID: 15227880Jul 2, 2004Paper

Overall HIV-1 prevalence in pregnant women over-estimates HIV-1 in the predominantly rural population of Afar Region

Ethiopian Medical Journal
Tamrat AssefaEduard Sanders

Abstract

The appropriateness of sentinel sero-surveillance based upon ante-natal clinic (ANC) attendees to estimate HIV-1 prevalence in the general population has been questioned. In Ethiopia, where the population is heterogeneous and where economic and practical barriers to ANC attendance exist, problems of extrapolation may be exacerbated. We planned an unlinked anonymous sero-survey which included data on basic population characteristics to investigate whether sero-surveillance data from ANCs in Afar Region might be taken to represent the situation among the general population of the Region. 371 pregnant women attending Dubti Hospital and Assayta Health Centre were tested for HIV-1 (using a single ELISA test) and active syphilis (RPR test). Socio-demographic characteristics were collected for each woman. Of the women tested, 278 (75%) were 28 years of age or younger. Two hundred eighty (76%) were urban residents and 237 (64%) described themselves as being of Amhara ethnicity. Overall, 73 (19.7%) were HIV-1 positive, but prevalence was three times higher among the 237 women of Amhara ethnicity compared to the 112 of Afar ethnicity (24.9% vs 8.0%, p < 0.001), and almost three times higher for urban compared to rural residents (23.2% vs...Continue Reading

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