Trends in loss to follow-up among migrant workers on antiretroviral therapy in a community cohort in Lesotho.
Authors
Bygrave, HelenKranzer, Katharina
Hilderbrand, Katherine
Whittall, Jonathan
Jouquet, Guillaume
Goemaere, Eric
Vlahakis, Nathalie
Triviño, Laura
Makakole, Lipontso
Ford, Nathan
Affiliation
Médecins Sans Frontières, Morija, Lesotho. helenbygrave@hotmail.comIssue Date
2010-10-08
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PloS OneAbstract
BACKGROUND: The provision of antiretroviral therapy (ART) to migrant populations raises particular challenges with respect to ensuring adequate treatment support, adherence, and retention in care. We assessed rates of loss to follow-up for migrant workers compared with non-migrant workers in a routine treatment programme in Morjia, Lesotho. DESIGN: All adult patients (≥18 years) initiating ART between January 1, 2008, and December 31, 2008, and followed up until the end of 2009, were included in the study. We described rates of loss to follow-up according to migrant status by Kaplan-Meier estimates, and used Poisson regression to model associations between migrant status and loss to follow-up controlling for potential confounders identified a priori. RESULTS: Our cohort comprised 1185 people, among whom 12% (148) were migrant workers. Among the migrant workers, median age was 36.1 (29.6-45.9) and the majority (55%) were male. We found no statistically significant differences between baseline characteristics and migrant status. Rates of lost to follow up were similar between migrants and non-migrants in the first 3 months but differences increased thereafter. Between 3 and 6 months after initiating antiretroviral therapy, migrants had a 2.78-fold increased rate of defaulting (95%CI 1.15-6.73); between 6 and 12 months the rate was 2.36 times greater (95%CI 1.18-4.73), whereas after 1 year the rate was 6.69 times greater (95%CI 3.18-14.09). CONCLUSIONS: Our study highlights the need for programme implementers to take into account the specific challenges that may influence continuity of antiretroviral treatment and care for migrant populations.PubMed ID
20976289Language
enISSN
1932-6203ae974a485f413a2113503eed53cd6c53
10.1371/journal.pone.0013198
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