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Original Articles

Predictors of medication adherence among HIV-infected youth

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Pages 166-179 | Published online: 23 Jan 2007
 

Abstract

The purpose of this study was to examine the rates of medication adherence among HIV-infected adolescents/young adults and to explore the relationship between negative affect, cognitive ability/formal reasoning, and substance use on the medication adherence of these youth. Forty-two HIV-positive youth (25 males, 17 females; age range 16 – 24) currently taking antiretroviral medications were recruited to participate in a one-hour interview. Using the time-line follow-back calendar method, 66% of participants had missed a dose of medicine in the past week while 42% missed a dose ‘yesterday’. Multiple regression analyses demonstrated that both depression and age of first marijuana use were statistically significant predictors of non-adherence (p < .01, R2  = .326). Specifically, higher rates of depressive symptoms and younger age of first marijuana use predicted higher rates of non-adherence. Developmentally, 69% of the sample had yet to begin the transition from concrete thinking to formal or abstract reasoning. The results from this project demonstrate that adherence to antiretroviral medications continues to be a problem with HIV-infected youth. These results are an important first step toward the development of interventions aimed at increasing medication adherence among adolescents and young adults living with HIV.

Acknowledgements

This project was made possible by a dissertation research grant from the National Institute of Mental Health (#R03 MH61038-01). The authors wish to thank the AYAC Youth and the CORE Center for their contributions and support. The CORE Center for the Prevention, Care and Research of Infectious Diseases is a joint venture of Cook County Hospital, the Cook County Bureau or Health Services and Rush-Presbyterian-St. Luke's Medical Center.

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