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Trajectories of Oral PrEP Adherence Among Young Kenyan Women: Implications for Promoting Effective PrEP Use

Nicholas Musinguzi1, Maria Pyra2, Elizabeth A Bukusi3

  • 1Global Health Collaborative, Mbarara University of Science and Technology, Plot 10/24, Lower Circular Road, Mbarara, Uganda. nmusinguzi@gmail.com.

AIDS and Behavior
|July 16, 2022
PubMed

Using data from a 2-year study of young women at high HIV risk in Thika and Kisumu, Kenya, we identified group-based trajectories of PrEP adherence based on electronic pillcap-monitoring and assessed potentially associated demographic and socio-behavioral factors. Among 348 women, we selected a three-trajectory adherence model: low and declining (N = 211, 61%), moderate but declining (N = 119, 34%) and steady high adherers (N = 18, 5%). We also identified a two-trajectory HIV risk model based on self-perceived risk in the past week: high and increasing (N = 28, 8%) and steady low (N = 320, 92%) risk. The Kisumu site was associated with the moderate but declining and steady high adherence trajectories, while increasing VOICE risk score was associated with the low and declining adherence trajectory. We found no association between the adherence and risk trajectories. Our findings suggest adherence support may need tailoring by setting. Early, sustained support may also help those at highest risk of non-adherence.

Keywords:
AdherenceKenyaPrEPTrajectories

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