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@article{Eaton:2014:10.1097/QAD.0000000000000412,
author = {Eaton, JW and Rehle, TM and Jooste, S and Nkambule, R and Kim, AA and Mahy, M and Hallett, TB},
doi = {10.1097/QAD.0000000000000412},
journal = {AIDS},
pages = {S507--S514},
title = {Recent HIV prevalence trends among pregnant women and all women in sub-Saharan Africa: implications for HIV estimates},
url = {http://dx.doi.org/10.1097/QAD.0000000000000412},
volume = {28},
year = {2014}
}

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TY  - JOUR
AB  - Objectives: National population-wide HIV prevalence and incidence trends in sub-Saharan Africa (SSA) are indirectly estimated using HIV prevalence measured among pregnant women attending antenatal clinics (ANC), among other data. We evaluated whether recent HIV prevalence trends among pregnant women are representative of general population trends.Design: Serial population-based household surveys in 13 SSA countries.Methods: We calculated HIV prevalence trends among all women aged 15–49 years and currently pregnant women between surveys conducted from 2003 to 2008 (period 1) and 2009 to 2012 (period 2). Log-binomial regression was used to test for a difference in prevalence trend between the two groups. Prevalence among pregnant women was age-standardized to represent the age distribution of all women.Results: Pooling data for all countries, HIV prevalence declined among pregnant women from 6.5 [95% confidence interval (CI) 5.3–7.9%] to 5.3% (95% CI 4.2–6.6%) between periods 1 and 2, whereas it remained unchanged among all women at 8.4% (95% CI 8.0–8.9%) in period 1 and 8.3% (95% CI 7.9–8.8%) in period 2. Prevalence declined by 18% (95% CI -9–38%) more in pregnant women than nonpregnant women. Estimates were similar in Western, Eastern, and Southern regions of SSA; none were statistically significant (P > 0.05). HIV prevalence decreased significantly among women aged 15–24 years while increasing significantly among women 35–49 years, who represented 29% of women but only 15% of pregnant women. Age-standardization of prevalence in pregnant women did not reconcile the discrepant trends because at older ages prevalence was lower among pregnant women than nonpregnant women.Conclusion: As HIV prevalence in SSA has shifted toward older, less-fertile women, HIV prevalence among pregnant women has declined more rapidly than prevalence in women overall. Interpretation of ANC prevalence data to inform national HIV estimates sh
AU  - Eaton,JW
AU  - Rehle,TM
AU  - Jooste,S
AU  - Nkambule,R
AU  - Kim,AA
AU  - Mahy,M
AU  - Hallett,TB
DO  - 10.1097/QAD.0000000000000412
EP  - 514
PY  - 2014///
SN  - 0269-9370
SP  - 507
TI  - Recent HIV prevalence trends among pregnant women and all women in sub-Saharan Africa: implications for HIV estimates
T2  - AIDS
UR  - http://dx.doi.org/10.1097/QAD.0000000000000412
UR  - http://hdl.handle.net/10044/1/24016
VL  - 28
ER  -

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