Capture-Recapture Among Men Who Have Sex With Men and Among Female Sex Workers in 11 Towns in Uganda

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dc.contributor.authorApodaca, Kevin
dc.contributor.authorHemendra Doshi, Reena
dc.contributor.authorOgwal, Moses
dc.contributor.authorKiyingi, Herbert
dc.contributor.authorAluzimbi, George
dc.contributor.authorMusinguzi, Geofrey
dc.contributor.authorLutalo, Ibrahim
dc.contributor.authorAkello, Evelyn
dc.contributor.authorHladik, Wolfgang
dc.date.accessioned2022-05-02T22:14:44Z
dc.date.available2022-05-02T22:14:44Z
dc.date.issued2019
dc.description.abstractKey populations at higher risk for HIV infection, including people who inject drugs, men who have sex with men (MSM), and female sex workers (FSWs), are disproportionately affected by the HIV/AIDS epidemic. Empirical estimates of their population sizes are necessary for HIV program planning and monitoring. Such estimates, however, are lacking for most of Uganda’s urban centers. Objective: The aim of this study was to estimate the number of FSWs and MSM in select locations in Uganda. Methods: We utilized conventional 2-source capture-recapture (CRC) to estimate the population of FSWs in Mbale, Jinja, Wakiso, Mbarara, Gulu, Kabarole, Busia, Tororo, Masaka, and Kabale and the population of MSM in Mbale, Jinja, Wakiso, Mbarara, Gulu, Kabarole, and Mukono from June to August 2017. Hand mirrors and key chains were distributed to FSWs and MSM, respectively, by peers during capture 1. A week later, different FSWs and MSM distributors went to the same towns to collect data for the second capture. Population size estimates and 95% CIs were calculated using the CRC Simple Interactive Statistical Analysis. Results: We estimated the population of FSWs and MSM using 2 different recapture definitions: those who could present the object or identify the object from a set of photos. The most credible (closer to global estimates of MSM; 3%-5%) estimates came from those who presented the objects only. The FSW population in Mbale was estimated to be 693 (95% CI 474-912). For Jinja, Mukono, Busia, and Tororo, we estimated the number of FSWs to be 802 (95% CI 534-1069), 322 (95% CI 300-343), 961 (95% CI 592-1330), and 2872 (95% CI 0-6005), respectively. For Masaka, Mbarara, Kabale, and Wakiso, we estimated the FSWs population to be 512 (95% CI 384-639), 1904 (95% CI 1058-2749), 377 (95% CI 247-506), and 828 (95% CI 502-1152), respectively. For Kabarole and Gulu, we estimated the FSWs population to be 397 (95% CI 325-469) and 1425 (95% CI 893-1958), respectively. MSM estimates were 381 (95% CI 299-462) for Mbale, 1100 (95% CI 351-1849) for Jinja, 368 (95% CI 281-455) for Wakiso, 322 (95% CI 253-390) for Mbarara, 180 (95% CI 170-189) for Gulu, 335 (95% CI 258-412) for Kabarole, and 264 (95% CI 228-301) for Mukono. Conclusions: The CRC activity was one of the first to be carried out in Uganda to obtain small town–level population sizes for FSWs and MSM. We found that it is feasible to use FSW and MSM peers for this activity, but proper training and standardized data collection tools are essential to minimize bias.en_US
dc.identifier.citationApodaca, K., Doshi, R. H., Ogwal, M., Kiyingi, H., Aluzimbi, G., Musinguzi, G., ... & Hladik, W. (2019). Capture-recapture among men who have sex with men and among female sex workers in 11 towns in Uganda. JMIR public health and surveillance, 5(2), e12316. doi: 10.2196/12316en_US
dc.identifier.other10.2196/12316
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/3171
dc.language.isoenen_US
dc.publisherJMIR public health and surveillanceen_US
dc.subjectSex workeren_US
dc.subjectPopulation sizeen_US
dc.subjectMen who have sex with menen_US
dc.subjectHIVen_US
dc.titleCapture-Recapture Among Men Who Have Sex With Men and Among Female Sex Workers in 11 Towns in Ugandaen_US
dc.typeArticleen_US
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