Perceived Risk Modifies the Effect of HIV Knowledge on Sexual Risk Behaviors.

Background: There is a large controversy in the literature about the inter-relations between perceived risk, knowledge, and risk behavior in different settings, and people at HIV risk are not an exception.

Aim: To assess additive and multiplicative effect of perceived HIV risk and HIV knowledge on sexual risk behavior of Injecting Drug Users (IDUs).

Method: We enrolled 162 street based IDUs to this analysis.

Inconsistent Condom Use among Iranian Male Drug Injectors.

Objectives: The aim of this study was to determine the prevalence and associated factors of inconsistent condom use among Iranian male injecting drug users (IDUs).

Materials And Methods: Data came from the national Iranian behavioral survey of drug dependence, which sampled 7743 individuals with drug dependence, from medical centers, prisons, and streets in 29 provinces in Iran, in 2007. This study included all individuals who were male, IDUs, and were sexually active (n = 1131).

Unprotected Sex with Injecting Drug Users among Iranian Female Sex Workers: Unhide HIV Risk Study.

Purpose. To assess the prevalence and associated factors of unprotected sex with injecting drug users (IDUs) among a sample of female sex workers (FSWs) in Iran. Methods.