Loss to follow-up among female sex workers in Zambia: findings from a five-year HIV-incidence cohort - Archive ouverte HAL Access content directly
Journal Articles African Journal of AIDS Research Year : 2020

Loss to follow-up among female sex workers in Zambia: findings from a five-year HIV-incidence cohort

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Abstract

HIV-incidence studies are used to identify at-risk populations for HIV-prevention trials and interventions, but loss to follow-up (LTFU) can bias results if participants who remain differ from those who drop out. We investigated the incidence of and factors associated with LTFU among Zambian female sex workers (FSWs) in an HIV-incidence cohort from 2012 to 2017. Enrolled participants returned at month one, month three and quarterly thereafter. FSWs were considered LTFU if they missed six consecutive months, or if their last visit was six months before the study end date. Of 420 FSWs, 139 (33%) were LTFU at a rate of 15.7 per 100 person years. In multivariable analysis, LTFU was greater for FSWs who never used alcohol, began sex work above the age of consent, and had a lower volume of new clients. Our study appeared to retain FSWs in most need of HIV-prevention services offered at follow-up.
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Dates and versions

inserm-03192731 , version 1 (08-04-2021)

Identifiers

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Kalonde Malama, Luis Sagaon-Teyssier, Andréa Gosset, Rachel Parker, Kristin M Wall, et al.. Loss to follow-up among female sex workers in Zambia: findings from a five-year HIV-incidence cohort. African Journal of AIDS Research, 2020, 19 (4), pp.296-303. ⟨10.2989/16085906.2020.1836005⟩. ⟨inserm-03192731⟩
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