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2009, Number 3

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Gac Med Mex 2009; 145 (3)

Estimaciones de prevalencia del VIH por género y grupo de riesgo en Tijuana, México: 2006

Íñiguez-Stevens E, Brouwer KC, Hogg RS, Patterson TL, Lozada R, Magis-Rodríguez C, Elder JP, Viani RM, Strathdee SA

Language: Spanish
References: 39
Page: 189-195
PDF size: 81.05 Kb.


ABSTRACT

Objective: Estimate the 2006 HIV prevalence among adults aged 15-49 from the general population and at-risk subgroups in Tijuana, Mexico.
Methods: Demographic data was obtained from the 2005 Mexican census and HIV prevalence data was obtained from reports in the literature. We developed a population-based HIV prevalence model for the overall population and stratified it by gender. Sensitivity analysis consisted of estimating standard errors in the weightedaverage point prevalence and calculating partial derivatives of each parameter.
Results: HIV prevalence among adults was 0.54% (N = 4347) (range 0.22-0.86% [N = 1750-6944]). This suggests that 0.85% (range 0.39-1.31%) of men and 0.22% (0.04-0.40%) of women could have been HIV-infected in 2006. Men who have sex with men (MSM), followed by female sex workers who are injection drug users (FSW-IDU), FSW-non IDU, female IDU, and male IDU were the most at risk groups of infected individuals.
Conclusions: The number of HIV-infected adults among at-risk subgroups in Tijuana is significant, highlighting the need to design tailored prevention interventions that focus on the specific needs of certain groups. According to our model, as many as 1 in 116 adults could potentially be HIV-infected.


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