Figure 7. HIV incidence, estimated using BED, with the mean recency duration estimated using five different methods.

HIV incidence (with 95% confidence intervals) in women during the period prior to their recruitment into the ZVITAMBO Trial. A. Non-linear mixed modeling (NLMM); linear mixed modeling (LMM); survival analysis (SA). B. The proportion of recent infections among seroconverters tested at one year postpartum (r/s); graphical analysis (Graph). Results for NLMM included for comparison.