Predictors of Nonadherence to Antiretroviral Therapy among HIV-Infected Adults in Dar es Salaam, Tanzania

Background: Adherence rates of ≥95% to antiretroviral therapy (ART) are necessary to maintain viral suppression in HIV-infected individuals. We identified predictors of nonadherence to scheduled antiretroviral drug pickup appointments in a large HIV care and treatment program in Tanzania. Methods: W...

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Published in:Journal of the International Association of Physicians in AIDS Care (Chicago, Ill. : 2002) Ill. : 2002), 2015-03, Vol.14 (2), p.163-171
Main Authors: Muya, Aisa N., Geldsetzer, Pascal, Hertzmark, Ellen, Ezeamama, Amara E., Kawawa, Hawa, Hawkins, Claudia, Sando, David, Chalamilla, Guerino, Fawzi, Wafaie, Spiegelman, Donna
Format: Article
Language:English
Subjects:
Adult
Anti-Retroviral Agents - therapeutic use
Antiretroviral drugs
Antiretroviral therapy
Drug therapy
Female
Forecasting
Health risk assessment
HIV
HIV Infections - drug therapy
HIV Infections - psychology
Human immunodeficiency virus
Humans
Male
Medication Adherence
Middle Aged
Patients
Patients - psychology
Prescription drugs
Prospective Studies
Social programs
Social support
Tanzania
Treatment programs
Young Adult
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Summary:Background: Adherence rates of ≥95% to antiretroviral therapy (ART) are necessary to maintain viral suppression in HIV-infected individuals. We identified predictors of nonadherence to scheduled antiretroviral drug pickup appointments in a large HIV care and treatment program in Tanzania. Methods: We performed a prospective cohort study of 44, 204 HIV-infected adults on ART between November 2004 and September 2012. Multivariate generalized estimating equation for repeated binary data was used to estimate the relative risk and 95% confidence intervals of nonadherence. Results: Nonadherence was significantly greater among patients with high CD4 counts, high body mass indices, males, younger patients, patients with longer durations on ART, and those with perceived low social support. Conclusions: Targeted interventions should be developed to improve ART adherence among healthier, younger, and more experienced patients who are on ART for longer durations within HIV care and treatment programs. Social support for patients on ART should be emphasized.
ISSN:2325-9574
2325-9582
1545-1097
2325-9582
DOI:10.1177/2325957414539193