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AIDS Patient Care STDS. 2008 Apr;22(4):323-35. doi: 10.1089/apc.2007.0122.

Analysis of HIV medication adherence in relation to person and treatment characteristics using hierarchical linear modeling.

Author information

1
Center for Health, Identity, Behavior & Prevention Studies, Steinhardt School of Culture, Education, and Human Development, New York University, New York, New York 10003, USA. pnh1@nyu.edu

Abstract

The purpose of this investigation was to consider person characteristics, treatment level variables, and illicit drug use to help explain the HIV antiviral adherence patterns of a community-based, non-drug-treatment-seeking sample of men who have sex with men (MSM). Adherence data were gathered for 300 MSM eight times over the course of 1 year using electronic monitoring. Treatment and person level characteristics were assessed at baseline assessment using computer-administered surveys, and drug usage was established via a diagnostic inventory. These longitudinal data were analyzed via Hierarchical Linear Modeling. The sample was diverse in terms of age and race/ethnicity. Across the span of the year in which the participants were assessed, adherence rates were relatively stable and high (means: 82% to 90%) at each time point and remained relatively stable across the yearlong investigation. Lower adherence rates were evident among those who were drug users, black identified (in terms of race), older, and by pill burden. Individuals on HIV antiretroviral therapy demonstrated consistent although not optimal adherence rates when assessed during the course of a year. The significance of numerous person level factors such as age, race, and drug use suggest that adherence to treatment may in part be impacted by the circumstances that the individual brings to the treatment behavior, and suggests interventions that delve beyond the behavioral to consider and address life social and intrapersonal circumstances that may interfere with adherence behaviors.

PMID:
18290734
DOI:
10.1089/apc.2007.0122
[Indexed for MEDLINE]

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