Assessment of a New Web-Based Sexual Concurrency Measurement Tool for MSM

Published: October 11, 2014

JMIR Publications
Eli S Rosenberg, PhD ; Richard B Rothenberg, MD, MPH ; David G Kleinbaum, PhD ; Rob B Stephenson, PhD ; Patrick S Sullivan, DVM, PhD
Original Article:


Background: Men who have sex with men (MSM) are the most affected risk group in the United States’ human immunodeficiency virus (HIV) epidemic. Sexual concurrency, the overlapping of partnerships in time, accelerates HIV transmission in populations and has been documented at high levels among MSM. However, concurrency is challenging to measure empirically and variations in assessment techniques used (primarily the date overlap and direct question approaches) and the outcomes derived from them have led to heterogeneity and questionable validity of estimates among MSM and other populations.?

Objective: The aim was to evaluate a novel Web-based and interactive partnership-timing module designed for measuring concurrency among MSM, and to compare outcomes measured by the partnership-timing module to those of typical approaches in an online study of MSM.

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