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Type Journal Article - Pan African Medical Journal
Title Prevalence and predictors of HIV sero-discordance among cohabiting couples tested in northern Tanzania
Author(s)
Volume 22
Issue 1
Publication (Day/Month/Year) 2015
URL https://www.ajol.info/index.php/pamj/article/viewFile/142105/131845
Abstract
Introduction: In sub-Saharan Africa where HIV/AIDS epidemic is predominantly generalized, majority of HIV infections occur among
heterosexual couples. The majority of people do not know their sero-status. Thus, utilisation of Couples' HIV Counselling and Testing (CHCT)
services remain to be critical in preventing new infections. The objective was to establish prevalence and predictors of HIV sero-discordance
among cohabiting couples presenting for CHCT services in northern Tanzania. Methods: A cross-sectional study inteveviewed 1,333 couples aged
18-49 years tested from 2005 to 2007 in Kilimanjaro and Arusha regions. A CHCT checklist was used to collect data from couples. Data were
analyzed using STATA 10. Results: Generally, 220(16%) out of 1,333 couples were HIV sero-discordant. In sero-discordance unions, women were
likely to be HIV positive than men (71% versus 29% respectively p<0.001). HIV sero-discordant relationship was associated with age (35-45
years) for both men and women (Adjusted Odds Ratio (AOR): 2.3, 95% Confidence Interval (CI): 1.7-3.2) and (AOR: 2.6, 95% CI 1.9-3.7)
respectively. Women with older men partners were less likely to be in HIV sero-discordance relationships (AOR: 0.5 95% CI 0.3-09). Arusha
couples were likely to be HIV sero-discordant than those of Kilimanjaro (AOR: 2.3 95% CI 1.7-3.2). Couples living far away from CHCT centres
were less likely to be sero-discordant than those live nearby (AOR: 0.4 95% CI 0.2-0.9). Conclusion: HIV sero-discordance prevalence is high
among our participants. Thus, we recommend CHCT utilization should widely be promoted as entry point in treatment as prevention strategy in
order to protect uninfected partners in HIV sero-discordance relationships.

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