Participant characteristics by cohort.

%) for categorical variables and median [interquartile range] for continuous variables. Percentages are of non-missing values. Results are n ([1] HIV seroconverters defined as those with ≤36 months between last negative and first positive test dates.[2] P-value omitted since differences are by design.[3]Including food preparation, mamalishe and bar work.[4] Lower limit of detection was 300 copies/ml, except for the 10 subsequent seroconverters, where the lower limit of detection was 75 copies/ml.[5] Imputed as half the lower limit of detection, for those with undetectable HIV VL.[6] Comparing categories split by the overall median.