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AIDS and Behavior

, Volume 19, Issue 1, pp 34–40 | Cite as

Depressive Symptoms, Lifestyle Structure, and ART Adherence Among HIV-Infected Individuals: A Longitudinal Mediation Analysis

  • Jessica F. MagidsonEmail author
  • Aaron J. Blashill
  • Steven A. Safren
  • Glenn J. Wagner
Original Paper

Abstract

Despite the well-documented relationship between depression and antiretroviral therapy (ART) nonadherence, few studies have identified explanatory pathways through which depression affects adherence. The current study tested lifestyle structure—the degree of organization and routinization of daily activities—as a mediator of this relationship, given previous evidence of lifestyle structure being associated with both depression and ART nonadherence. HIV-infected individuals starting or re-starting ART in the California Collaborative Treatment Group 578 study (n = 199) were assessed over 48 weeks. Adherence was measured using electronic monitoring caps to determine dose timing and doses taken, and viral load was assessed. The mediating role of lifestyle structure was tested using generalized linear mixed-effects modeling and bootstrapping. Lifestyle significantly mediated the relationship between depression and both measures of ART adherence behavior. Interventions that minimize disruptions to lifestyle structure and link adherence to daily activities may be useful for individuals with depression and ART nonadherence.

Keywords

Depression Antiretroviral therapy Adherence Lifestyle structure Mediation 

Notes

Acknowledgments

This study and Dr. Wagner were supported by R01MH61695 and the University Wide AIDS research program at the University of California, center Grant numbers CC99-SD003 and CC02-SD-003. Dr. Magidson’s work on this manuscript was supported by R36DA034513 (PI: Magidson) and T32MH093310 (PIs: Henderson and Fricchione). Dr. Blashill was supported by K23MH096647 (PI: Blashill), and Dr. Safren was supported by K24MH094214 (PI: Safren).

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Jessica F. Magidson
    • 1
    Email author
  • Aaron J. Blashill
    • 1
  • Steven A. Safren
    • 1
  • Glenn J. Wagner
    • 2
  1. 1.Department of PsychiatryMassachusetts General Hospital/Harvard Medical SchoolBostonUSA
  2. 2.RAND CorporationSanta MonicaUSA

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