Measuring concurrency: an empirical study of different methods in a large population-based survey and evaluation of the UNAIDS guidelines.

AIDS
Judith R GlynnAmelia C Crampin

Abstract

Recent UNAIDS guidelines recommend measuring concurrency 6 months before the interview date, based on overlapping partnership dates. This has theoretical advantages, but little is known about how well it can be measured in practice. The assumptions underlying the UNAIDS measure were tested using data from a sexual behaviour survey conducted in rural northern Malawi. All resident adults aged 15-59 were eligible. Questions included self-reported concurrency and dates for all marital and nonmarital partnerships in the past 12 months. A total of 6796 women and 5253 men were interviewed, 83 and 72% of those eligible, respectively. Since few women reported multiple partners, detailed analysis was restricted to men. Overall 19.2% [95% confidence interval (CI) 18.1-20.2] of men self-reported concurrent relationships in the past year (almost all of those with more than one partner). Using overlapping dates the estimate was 16.7% (15.7-17.7). Excluding partnerships which tied on dates (making overlap uncertain) or restricting the analysis to the three most recent partners gave similar results. The UNAIDS 6-month measure was 12.0% (11.1-12.9), and current concurrency was 11.5% (10.6-12.4). The difference between dates-based and self-repor...Continue Reading

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Citations

Jun 26, 2012·International Journal of Epidemiology·Amelia C CrampinBasia Zaba
May 4, 2012·AIDS·Michel Caraël, Mirjam Kretzschmar
Feb 15, 2013·Journal of the International AIDS Society·Larry Sawers
Feb 14, 2014·Sexually Transmitted Diseases·Hong-Van TieuUNKNOWN NYC M2M Study Team
Nov 1, 2013·African Journal of AIDS Research : AJAR·Chris Kenyon
Nov 12, 2014·Journal of Medical Internet Research·Eli S RosenbergPatrick S Sullivan
Aug 1, 2015·African Journal of AIDS Research : AJAR·Elizabeth C CostenbaderGreg Guest
May 23, 2013·AIDS and Behavior·Lauren GaydoshStéphane Helleringer
Dec 28, 2017·Journal of Acquired Immune Deficiency Syndromes : JAIDS·Patrick JanulisBrian Mustanski
May 13, 2014·AIDS and Behavior·Stéphane HelleringerHans-Peter Kohler
Feb 23, 2019·Demography·Abigail WeitzmanYasamin Kusunoki

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