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JAIDS Journal of Acquired Immune Deficiency Syndromes:
doi: 10.1097/QAI.0000000000000076
Implementation and Operational Research: Epidemiology and Prevention

Predictors of First Follow-up HIV Testing for Couples' Voluntary HIV Counseling and Testing in Ndola, Zambia

Czaicki, Nancy L. MSPH*; Davitte, Jonathan MPH*; Siangonya, Bella MPH*; Kastner, Randee MPH*; Ahmed, Nurilign MPH*; Khu, Naw Htee MPH*; Kuo, Wan Hsuan MPH*; Abdallah, Joseph MPH*; Wall, Kristin M. PhD*,†; Tichacek, Amanda MPH*; Inambao, Mubiana MD, MPH*; Simpungwe, Kakungu MD, MPH*; Pulerwitz, Julie ScD; Thior, Ibou MD, MS; Allen, Susan MD, MPH*

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Abstract

Introduction: We describe predictors of first follow-up testing for concordant negative and discordant couples seeking joint voluntary HIV counseling and testing in Ndola, Zambia, where cohabiting couples account for an estimated two-thirds of incident HIV infections.

Methods: Demographic and serostatus data were collected from couples' voluntary HIV testing and counseling and follow-up testing services implemented in government clinics. We calculated follow-up testing rates by serostatus and compared rates before and after the introduction of a Good Health Package (GHP).

Results: The follow-up testing rate from May 2011 to December 2012 was 12.2% for concordant negative (M−F−) couples and 24.5% for discordant (M+F− or M−F+) couples. Significant predictors of follow-up testing in multivariate analyses included increasing age of the man [adjusted odds ratio (aOR) = 1.02 per year] and the woman (aOR = 1.02 per year), and either partner being HIV+ (aOR = 2.57 for HIV+ man, aOR = 1.89 for HIV+ woman). The man (aOR = 1.29) and the couple (aOR = 1.22) having been previously tested for HIV were predictive of follow-up testing among concordant negative couples. Introduction of a GHP increased follow-up testing among discordant (aOR = 2.93) and concordant negative (aOR = 2.06) couples.

Conclusions: A low-cost GHP, including prevention, screening, and treatment for common causes of morbidity and mortality resulted in increased follow-up testing rates among HIV discordant and concordant negative couples. Overall follow-up testing rates remain low, and efforts to increase these rates are necessary to ensure linkage to combination prevention, reduce HIV transmission within couples, and identify seroconversions promptly. Further investigation of low-cost sustainable incentives and other factors influencing follow-up HIV testing for couples is needed.

© 2014 by Lippincott Williams & Wilkins

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