Uptake of additional adherence support strategies
The most popular adherence support strategies were in‐person support clubs, selected at 42.7% of sessions (though only used at 22.9% due to COVID restrictions), and weekly calls (36.8%), followed by online support clubs, additional counselling, daily SMS and weekly SMS. There were substantial differences across sites (Figure Additional adherence strategies selected at each visit, by study site. Participants chose a median of two additional strategies per visit (IQR 1–2), ranging from 1 (IQR 1–2) in Johannesburg to 3 (IQR 2–3) in Harare, with slightly more strategies selected during oral PrEP use (median 2, IQR 1–3) than ring use (median 2, IQR 1–2). Table Types of additional adherence support strategies selected by participants by site
In the participant‐level analysis, 12 participants (six in Cape Town and six in Johannesburg) did not prefer or use any combination >50% of the time. An additional three participants in Kampala did not use any combination >50% of the time.