ArticleJournal of the International AIDS Society2025
Socio-demographic and geographic disparities in HIV prevalence, HIV testing and treatment coverage: An analysis of 108 national household surveys in 33 African countries.
Article in Journal of the International AIDS Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Resident based disparities in HIV testing among the general population in Ethiopia: Evidence from the Ethiopian Demographic Health Survey.Public health in practice (Oxford, England) · 2026Article
- Trends in HIV self-testing uptake in Africa: A modeling study of population-based surveys and HIV testing program data.PLoS medicine · 2026Article
- Evaluation of economic strengthening in South Africa and its impact on HIV, sexually transmitted infections, and teenage births: A modelling study.PLoS medicine · 2025Article
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Abstract
introductionSocio-demographic and geographic disparities in HIV prevalence, uptake of HIV testing and access to antiretroviral therapy (ART) persist in high HIV burden countries. Understanding demographic, spatial and temporal factors can guide interventions.
methodsWe analysed 108 geo-referenced population-based surveys conducted over 2000-2023 across 33 African countries, involving 2.3 million respondents. Multilevel Bayesian logistic regression models assessed associations between HIV outcomes (HIV prevalence, recent HIV testing and ART coverage) and socio-demographic characteristics (age, education, place of residence, relative wealth), geographic location (country, district) and time trends. Separate models were estimated for men and women in central, eastern, southern and western Africa.
resultsInequalities in HIV risk and access to testing and treatment services were driven by differences in educational attainment and within-country variations. In southern Africa, women with tertiary education had a 12%-point lower HIV prevalence (95% Credible Interval [CrI]: -27% to -2%) than those with less than primary education. In eastern Africa, they had a 13%-points (95% CrI: 2-22%) higher probability of recent HIV testing. Associations with relative wealth were weaker and more heterogeneous: in southern Africa, HIV prevalence shifted over time from higher to lower wealth quintiles, and adolescent girls and young women became the most frequently tested age group. In central Africa, wealthier men maintained higher recent testing and ART coverage levels. District-level variations accounted for disparities in HIV outcomes. In western Africa, the expected difference in ART coverage between individuals with similar socio-demographic characteristics living in different districts was 14%-points (95% CrI: 3-32%) for men and 10%-points (95% CrI: 3-27%) for women.
conclusionsDisparities in HIV outcomes are strongly associated with differences in education, and across districts of the same country. Higher education levels are associated with lower HIV prevalence, greater testing and higher ART coverage, while districts with limited services sustain higher population viraemia. Despite the scale-up of HIV prevention and treatment programmes, important disparities remain, and renewed education-centred and geographically targeted efforts are needed to close gaps.
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