HIV/AIDS

Recent Findings from Tulane University Highlight Research in HIV/AIDS

Published in AIDS Weekly, August 29th, 2011

2011 AUG 29 -- "Respondent-driven sampling (RDS) is a chain-referral method that is being widely used to recruit most at-risk populations. Because the method is respondent driven, observations are dependent," investigators in New Orleans, Louisiana report.

"However, few publications have focused on methodological challenges in the analysis of data collected by RDS. In this article, we propose a method for estimating the variance of the HIV prevalence rate, based on the Markov transition probabilities and within recruitment cluster variation. The method was applied to a female commercial sex workers study carried out in 10 Brazilian cities in 2008. Both the...

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Source: AIDS Weekly (2011-08-29)

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