ArticleAIDS (London, England)2019
The association of provider and practice factors with HIV antiretroviral therapy adherence.
Article in AIDS (London, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Complexity of Adherence Challenges: Understanding Syndemic Factors Affecting HIV Treatment Adherence During Treatment Initiation in Cape Town, South Africa.AIDS and behavior · 2026Article
- Medicaid Accountable Care Model Designs and Maternal Health Measures.JAMA network open · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
objectiveWhile antiretroviral therapy (ART) is essential to patients with HIV, there is substantial variation in adherence nationally. We assess how provider and practice factors contribute to successful HIV ART adherence.
designWe used Medicaid Analytic Extract claims from 2008 to 2012. We attributed patients with HIV to the provider that provided the plurality of HIV-related services or primary care in a given year and assigned these providers to a medical practice based on the National Provider Identifier registry file. We fit successive linear hierarchical models with patient, provider, and practice characteristics to partition the variation in adherence driven by each factor. Our unit of analysis was the patient-year.
settingFourteen US states with the highest HIV prevalence.
participantsA total of 111 013 patient-years representing 60 496 Medicaid enrollees living with HIV attributed to 4930 providers and 1960 practices.
main outcome measurePercentage of year individual patients were adherent to an ART regimen.
resultsProvider and practice random effects jointly explained 6.8% of variation in adherence with patient differences accounted for 45.2% of the variation. Patients seen by generalists and other specialists had a 1.6 [95% confidence interval (CI): 0.6-2.5] and 5.1 (95% CI: 4.1-6.1) percentage point greater adherence than those seen by infectious disease specialists (P < 0.001). Every additional year a patient saw the same provider was associated with a 6% increase in adherence (95% CI: 5.7-6.3).
conclusionThere is substantial variation in ART adherence attributable to providers and practices and between provider specialties. To improve ART adherence for patients living with HIV, structural aspects of care should be considered.
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