Validating A Self-Report Measure Of HIV Viral Suppression: An Analysis of Linked Questionnaire and Clinical Data from the Canadian HIV Women’s Sexual And Reproductive Health Cohort Study

Background We assessed the validity of a self-report measure of undetectable viral load (VL) among women with HIV in British Columbia (BC), Canada. Questionnaire data from the Canadian HIV Women’s Sexual and Reproductive Health Cohort Study was linked with population-based clinical data from the BC Centre for Excellence in HIV/AIDS. Self-reported undetectable VL was assessed by the question: “What was your most recent VL, undetectable (i.e.