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Direct and indirect effects of enablers on HIV testing, initiation and retention in antiretroviral treatment and AIDS related mortality

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  • Ali Safarnejad
  • Jose-Antonio Izazola-Licea

Abstract

Background: An enabling environment is believed to have significant and critical effects on HIV and AIDS program implementation and desired outcomes. This paper estimates the paths, directionality, and direct and indirect associations between critical enablers with antiretroviral treatment (ART) coverage and to AIDS-related mortality. Methods: Frameworks that consider the role of enablers in HIV and AIDS programs were systematically reviewed to develop a conceptual model of interaction. Measurements for constructs of the model were pooled from the latest publicly available data. A hypothetical model, including latent/unobserved factors and interaction of enablers, program activities and outcomes, was analyzed cross-sectionally with structural equation modeling. Coefficients of the model were used to estimate the indirect associations of enablers to treatment coverage and the subsequent associated impact on AIDS related mortality. Findings: The model’s fit was adequate (RMSEA = 0·084, 90% CI [0·062, 0·104]) and the indirect effects of enablers on outcomes were measured. Enablers having significant associations with increased ART coverage were social/financial protection, governance, anti-discrimination, gender equality, domestic AIDS spending, testing service delivery, and logistics. Interpretation: Critical enablers are significantly correlated to outcomes like ART coverage and AIDS related mortality. Even while this model does not allow inference on causality, it provides directionality and magnitude of the significant associations.

Suggested Citation

  • Ali Safarnejad & Jose-Antonio Izazola-Licea, 2017. "Direct and indirect effects of enablers on HIV testing, initiation and retention in antiretroviral treatment and AIDS related mortality," PLOS ONE, Public Library of Science, vol. 12(2), pages 1-15, February.
    • Handle: RePEc:plo:pone00:0172569
    DOI: 10.1371/journal.pone.0172569
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    References listed on IDEAS

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    2. Matthew R Lamb & Wafaa M El-Sadr & Elvin Geng & Denis Nash, 2012. "Association of Adherence Support and Outreach Services with Total Attrition, Loss to Follow-Up, and Death among ART Patients in Sub-Saharan Africa," PLOS ONE, Public Library of Science, vol. 7(6), pages 1-12, June.
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