Figure.

(a) Point prevalence of concurrency based on number of current partners (left most square) and retrospective cut-offs for male respondents aged 15-49. (b) The proportion of male respondents that are missing date of first sex or date of most recent sex for at least one partner by number of reported partners in past year. (c) Estimates of concurrency by 5-year age groups: current partner concurrency, 6 month retrospective concurrency, and 6 month retrospective concurrency adjusted for increased missing data among those reporting more partnerships