Longitudinal trajectories of antiretroviral treatment adherence and associations with durable viral suppression among adolescents living with HIV in South Africa

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dc.contributor.authorZhou, Siyanai
dc.contributor.authorCluver, Lucie
dc.contributor.authorKnight, Lucia
dc.date.accessioned2024-10-11T13:42:18Z
dc.date.available2024-10-11T13:42:18Z
dc.date.issued2024
dc.description.abstractBackground: Compared with other age groups, adolescents living with HIV (ALHIV) are estimated to have lower levels of adherence to antiretroviral treatment. Despite this, we lack evidence on adolescents’ adherence patterns over time to inform the customization\of intervention strategies.Setting: Eastern Cape province, South Africa. Methods: We analyzed data from a cohort of ALHIV (N = 1046, aged 10–19 years at baseline) recruited from 53 public health facilities. The cohort comprised 3 waves of data collected between 2014 and 2018 and routine viral load data from the National Institute for Communicable Disease data warehouse (2014–2019). Durable viral suppression was defined as having suppressed viral load (,1000 copies/mL) at $2 consecutive study waves. Group-based multitrajectory model was used to identify adherence trajectories using 5 indicators of self-reported adherence. Logistic regression modeling evaluated the associations between adherence trajectories and durable viral suppression. Results: Overall, 933 ALHIV (89.2%) completed all 3 study waves (55.1% female, mean age: 13.6 years at baseline). Four adherence trajectories were identified, namely, “consistent adherence”(49.8%), “low start and increasing” (20.8%), “gradually decreasing” (23.5%), and “low and decreasing” (5.9%). Adolescents experiencing inconsistent adherence trajectories were more, likely to be older, live in rural areas, and have sexually acquired HIV. Compared with the consistent adherence trajectory, the odds of durable viral suppression were lower among adolescents in the low start and increasing (adjusted odds ratio [aOR]: 0.62, 95% CI: 0.41 to 0.95), gradually decreasing (aOR: 0.40, 95% CI: 0.27 to 0.59), and the low and decreasing adherence (aOR: 0.25, 95% CI: 0.10 to 0.62) trajectories. Conclusions: Adherence to antiretroviral treatment remains a challenge among ALHIV in South Africa. Identifying adolescents at risk of nonadherence, based on their adherence trajectories may inform the tailoring of adolescent-friendly support strategies.
dc.identifier.citationZhou, S., Cluver, L., Knight, L., Edun, O., Sherman, G. and Toska, E., 2024. Longitudinal Trajectories of Antiretroviral Treatment Adherence and Associations With Durable Viral Suppression Among Adolescents Living With HIV in South Africa. JAIDS Journal of Acquired Immune Deficiency Syndromes, 96(2), pp.171-179.
dc.identifier.urihttps://doi.org/10.1097/QAI.0000000000003408
dc.identifier.urihttps://hdl.handle.net/10566/16295
dc.language.isoen
dc.publisherWolters Kluwer Health, Inc.
dc.titleLongitudinal trajectories of antiretroviral treatment adherence and associations with durable viral suppression among adolescents living with HIV in South Africa
dc.typeArticle

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