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Retention in an mHealth App Aiming to Promote the Use of HIV Pre-Exposure Prophylaxis Among Female Sex Workers in Dar es Salaam, Tanzania: Prospective Cohort Study

Retention in an mHealth App Aiming to Promote the Use of HIV Pre-Exposure Prophylaxis Among Female Sex Workers in Dar es Salaam, Tanzania: Prospective Cohort Study

RDS is a method for sampling from populations for which there is no available sampling frame [19,22]. On the first day, 3 initial participants (referred to as “seeds”) were recruited purposively by researchers and peer educators who had prior experience with biobehavioral surveys among female sex workers in Tanzania. The first seed was aged 20 years and was a street-based sex worker. The second seed was 32 years old and was a phone- and internet-based sex worker.

Christopher H Mbotwa, Method R Kazaura, Kåre Moen, Melkizedeck T Leshabari, Emmy Metta, Elia J Mmbaga

JMIR Mhealth Uhealth 2023;11:e46853

Development of a Mobile Health Application for HIV Prevention Among At-Risk Populations in Urban Settings in East Africa: A Participatory Design Approach

Development of a Mobile Health Application for HIV Prevention Among At-Risk Populations in Urban Settings in East Africa: A Participatory Design Approach

We used strategic peer-led recruitment (respondent-driven sampling) as the recommended recruitment method in stigmatized, criminalized, and hard-to-reach populations. Thirdly, the app's reporting of drug use may be affected by a desirability bias, where people may decide to register treatment administration without taking the tablet. Similarly, there could be people who have used the tablet but did not register.

Wilhellmuss Mauka, Christopher Mbotwa, Kåre Moen, Hanne Ochieng Lichtwarck, Inga Haaland, Method Kazaura, Germana H Leyna, Melkizedeck T Leshabari, Elia J Mmbaga

JMIR Form Res 2021;5(10):e23204