Sexually Transmitted Diseases

Skip Navigation LinksHome > March 2009 - Volume 36 - Issue 3 > HIV Incidence Rates and Risk Factors for Urban Women in Zamb...
Sexually Transmitted Diseases:
doi: 10.1097/OLQ.0b013e318190191d
Articles

HIV Incidence Rates and Risk Factors for Urban Women in Zambia: Preparing for a Microbicide Clinical Trial

Kapina, Muzala MBCHB*; Reid, Cheri RN, MPH*; Roman, Karisse MPH†; Cyrus-Cameron, Elena MPH‡; Kwiecien, Antonia BSc‡; Weiss, Stephen PHD§; Vermund, Sten H. MD, PHD*∥

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Abstract

Objectives: A preparedness study was conducted to evaluate the suitability of sites and populations following the same study procedures intended for a larger scale microbicide efficacy trial. In the process the study evaluated human immunodeficiency virus (HIV) incidence, prevalence, and risk profiles for HIV-acquisition among young women in urban Zambia.

Methods: Women aged 16 to 49 years were screened for participation in the study that involved HIV/sexually transmitted infection testing and the assessment of sexual behavioral characteristics. Two hundred thirty-nine eligible women were enrolled and followed up for 12 months.

Results: Baseline HIV prevalence at screening was 38.7% (95% CI: 34.2%–43.3%). The highest age-specific prevalence of HIV was 54.1% (95% CI: 46.3%–61.8%) seen in women aged 26 to 34 years. HIV incidence was 2.6% per 100 woman years. Pregnancy rates were high at 17.4 per 100 woman years (95% CI: 12.2–24.1).

Conclusion: It was concluded that our general population sample, characterized by high HIV prevalence and ongoing incidence rates despite receiving regular risk reduction counseling and free condoms qualifies for future microbicide studies.

A microbicide preparedness study conducted in Lusaka, Zambia found high HIV prevalence and appreciable HIV incidence in a population of women in an urban setting.

© Copyright 2009 American Sexually Transmitted Diseases Association

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