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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Lancet Infect Dis. 2019 Feb 10;19(3):317–326. doi: 10.1016/S1473-3099(18)30655-8

Figure 1. Flow chart of HITCH study participants and exclusions.

Figure 1.

Hand sampling began half-way through study recruitment in 2008. Invalid hand and genital samples had no detected β-globin DNA. *There are more couples (270) than women (264) in cross-sectional partnered analyses because some women recruited multiple male partners in the study and were part of more than one couple.