Publications and Research

Document Type

Article

Publication Date

2-21-2018

Abstract

Objective To describe antiretroviral therapy (ART) adherence and associated factors for a large HIVinfected pediatric cohort followed by sites of the East Africa International Epidemiologic Databases to Evaluate AIDS (IeDEA) consortium.

Methods This study utilized prospectively collected clinical data from HIV-infected children less than 13 years of age who initiated ART within 4 clinical care programs (with 26 clinical sites) in Kenya, Uganda, and Tanzania and were followed for up to 6 years. Programs used one of 3 adherence measures, including 7-day quantitative recall, 7-day categorical recall, and clinician pill assessments. We fit a hierarchical, three-level, logistic-regression model to examine adherence, with observations nested within patient, and patients within the 26 sites providing pediatric HIV data to this analysis.

Results In East Africa, 3,304 children, 52.0% male, were enrolled in care and were subsequently observed for a median of 92 weeks (inter-quartile range [IQR] 50.3±145.0 weeks). Median age at ART initiation was 5.5 years ([IQR] 3.0±8.5 years). ªGoodº adherence, as reported by each clinic's measures, was extremely high, remaining on average above 90% throughout all years of follow-up. Longer time on ART was associated with higher adherence (adjusted Odds Ratio±aOR±per log-transformed week on ART: 1.095, 95% Confidence Interval±CI± [1.052±1.150].) Patients enrolled in higher-volume programs exhibited higher rates of clinician- assessed adherence (aOR per log-500 patients: 1.174, 95% CI [1.108±1.245]).Significant site-level variability in reported adherence was observed (0.28), with even higher variability among patients (0.71). In a sub-analysis, being an orphan at the start of ART was strongly associated with lower ART adherence rates (aOR: 0.919, 95% CI [0.864±0.976]).

Conclusions Self-reported adherence remained high over a median of 1.8 years in HIV care, but varied according to patient-level and site-level factors. Consistent adherence monitoring with validated measures and attention to vulnerable groups is recommended.

Comments

This article was originally published in PLoS ONE, available at https://doi.org/10.1371/ journal.pone.0191848.

This is an open access article distributed under the terms of the Creative Commons Attribution License.

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