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Effect of Community ART Groups on retention-in-care among patients on ART in Tete Province, Mozambique: a cohort study.

Effect of Community ART Groups on retention-in-care among patients on ART in Tete Province, Mozambique: a cohort study.
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Decroo T, Telfer B, Dores CD, White RA, Santos ND, Mkwamba A, Dezembro S, Joffrisse M, Ellman T, Metcalf C,


Decroo T, Telfer B, Dores CD, White RA, Santos ND, Mkwamba A, Dezembro S, Joffrisse M, Ellman T, Metcalf C, (click to view)

Decroo T, Telfer B, Dores CD, White RA, Santos ND, Mkwamba A, Dezembro S, Joffrisse M, Ellman T, Metcalf C,

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BMJ open 2017 08 117(8) e016800 doi 10.1136/bmjopen-2017-016800

Abstract
OBJECTIVES
Estimate the effect of participation in Community ART Groups (CAG) versus individual care on retention-in-care (RIC) on antiretroviral therapy (ART).

DESIGN
Retrospective cohort study.

SETTING
High levels of attrition (death or loss-to-follow-up (LTFU) combined) on ART indicate that delivery models need to adapt in sub-Saharan Africa. In 2008, patients more than 6 months on ART began forming CAG, and took turns to collect ART refills at the health facility, in Tete Province, Mozambique,.

PARTICIPANTS
2406 adult patients, retained in care for at least 6 months after starting ART, during the study period (date of CAG introduction at the health facility-30 April 2012).

METHODS
Data up to 30 April 2012 were collected from patient records at eight health facilities. Survival analysis was used to compare RIC among patients in CAG and patients in individual care, with joining a CAG treated as an irreversible time-dependent variable. Multivariable Cox regression was used to estimate the effect of CAG on RIC, adjusted for age, sex and health facility type and stratified by calendar cohort.

RESULTS
12-month and 24-monthRIC from the time of eligibility were, respectively, 89.5% and 82.3% among patients in individual care and 99.1% and 97.5% among those in CAGs (p<0.0001). CAG members had a greater than fivefold reduction in risk of dying or being LTFU (adjusted HR: 0.18, 95% CI 0.11 to 0.29). CONCLUSIONS
Among patients on ART, RIC was substantially better among those in CAGs than those in individual care. This study confirms that patient-driven ART distribution through CAGs results in higher RIC among patients who are stable on ART.

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