For V854A and V854B is women who had at least 2 sexual partners during the last 12 months (V766B > 1).
Concurrency - Cumulative concurrent sexual partners
For information on concurrency please refer to “Concurrent Sexual Partnerships and HIV Infection: Evidence from National Population Based Surveys”, DHS Working Papers No. 62, 2009 by Vinod Mishra and Simona Bignami-Van Asshe. This publication can be downloaded from dhsprogram.com.