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HIV Acquisition Among Women From Selected Areas of the United States: A Cohort Study

Hodder, Sally L.; Justman, Jessica E.; Hughes, James P.; Wang, Jing; Haley, Danielle F.; Adimora, Adaora A.; del Rio, Carlos; Golin, Carol; Kuo, Irene; Rompalo, Anne; Soto-Torres, Lydia; Mannheimer, Sharon B.; Johnson-Lewis, LeTanya; Eshleman, Susan H.; El-Sadr, Wafaa Mahmoud

Background:
Women account for 23% of newly diagnosed HIV infections in the United States, but there are few recent, well-characterized cohorts of U.S. women in whom behavior characteristics and HIV acquisition have been well-described.

Objective:
To evaluate HIV incidence and describe behaviors among U.S. women residing in areas of high HIV prevalence.

Design:
Multisite, longitudinal cohort of women who had HIV rapid testing and audio computer-assisted self-interviews at baseline and every 6 months for up to 12 months. (ClinicalTrials.gov: NCT00995176)

Setting:
10 urban and periurban communities with high HIV prevalence and poverty rates, located in the northeastern and southeastern United States.

Patients:
Venue-based sampling was used to recruit women aged 18 to 44 years who recently had unprotected sex and had 1 or more additional personal or partner risk factors and no self-reported previous HIV diagnosis.

Measurements:
HIV prevalence and incidence, frequency of HIV risk behaviors, and health status perceptions.

Results:
Among 2099 high-risk women (85.9% black and 11.7% of Hispanic ethnicity), 32 (1.5%) were diagnosed with HIV infection at enrollment. Annual HIV incidence was 0.32% (95% CI, 0.14% to 0.74%). Older age, substance use, and knowing a partner had HIV were associated with HIV prevalence. Ten women died during the study (0.61% per year).

Limitations:
Longitudinal assessment of risk behaviors was limited to a maximum of 12 months. There were few incident HIV infections, precluding identification of characteristics predictive of HIV acquisition.

Conclusion:
This study enrolled a cohort of women with HIV incidence substantially higher than the Centers for Disease Control and Prevention national estimate in the general population of U.S. black women. Concerted efforts to improve preventive health care strategies for HIV and overall health status are needed for similar populations.

Geographic Areas

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Also Published In

Title
Annals of Internal Medicine
DOI
https://doi.org/10.7326/0003-4819-158-1-201301010-00004

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