Disparities in receipt of antiretroviral therapy among HIV-infected adults (2002-2008)

John A. Fleishman, Baligh R. Yehia, Richard D. Moore, Kelly A. Gebo, Allison L. Agwu

Research output: Contribution to journalArticle

Abstract

Objective: Prior research has documented sociodemographic disparities in the use of antiretroviral therapy (ART). Recent therapeutic developments and changing epidemiological profiles may have altered such disparities. We examine the extent to which sociodemographic differences in prescribed ART have changed between 2002 and 2008. Methods: We analyzed data abstracted from medical records at 13 US sites participating in the Human Immunodeficiency Virus Research Network. Prescription of ART was assessed for each year in care for each patient. A total of 14,092 patients were followed up for 39,251 person-years. We examined ART use as a function of sex, race/ethnicity, human immunodeficiency virus risk group, age, and CD4 history (no test <500 cells/mm, one or more tests between 500 and 350 cells/mm, 1 test ≤350 cells/mm 3, and 2 or more tests ≤350 cells/mm). Using multiple logistic regression, we ascertained interactions between each of these variables and calendar year. Results: The overall percentage prescribed ART increased from 60% to 80% between 2002 and 2008. Among those with 2 or more CD4 tests ≤350 cells/mm, the percentage increased from 82% to 92%. ART rates were higher for those with lower CD4 counts but increased over time for all CD4 groups and for all demographic groups. Nevertheless, sex and racial/ethnic disparities persisted. Significant interactions were obtained for CD4 history by year, age by year, and age by CD4 history. Conclusions: Although prescription of ART became more widespread from 2002 to 2008, patients who were female, black, or younger still had lower ART rates than male, white, or older patients.

Original languageEnglish (US)
Pages (from-to)419-427
Number of pages9
JournalMedical care
Volume50
Issue number5
DOIs
StatePublished - May 1 2012

Keywords

  • ART
  • disparities
  • sociodemographic differences
  • time trends
  • utilization

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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