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01.03.2007 | Original Paper | Ausgabe 2/2007

AIDS and Behavior 2/2007

Drug Use and Medication Adherence among HIV-1 Infected Individuals

Zeitschrift:
AIDS and Behavior > Ausgabe 2/2007
Autoren:
Charles H. Hinkin, Terry R. Barclay, Steven A. Castellon, Andrew J. Levine, Ramani S. Durvasula, Sarah D. Marion, Hector F. Myers, Douglas Longshore

Abstract

This longitudinal study examined the impact of drug use and abuse on medication adherence among 150 HIV-infected individuals, 102 who tested urinalysis positive for recent illicit drug use. Medication adherence was tracked over a 6-month period using an electronic monitoring device (MEMS caps). Over the 6-month study drug-positive participants demonstrated significantly worse medication adherence than did drug-negative participants (63 vs. 79%, respectively). Logistic regression revealed that drug use was associated with over a fourfold greater risk of adherence failure. Stimulant users were at greatest risk for poor adherence. Based upon within-participants analyses comparing 3-day adherence rates when actively using versus not using drugs, this appears to be more a function of state rather than trait. These data suggest that it is the acute effects of intoxication, rather than stable features that may be characteristic of the drug-using populace, which leads to difficulties with medication adherence.

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