title: Unprotected anal Intercourse among Iranian Intra-Venous Drug Users.
abstract: OBJECTIVE
  To assess the prevalence and associated factors of unprotected anal intercourse among Iranian male heterosexual Intra-Venous Drug Users (IDUs).
  
  
  METHODS
  In a cross-sectional study 360 male heterosexual IDUs were sampled from streets of eight different geographical parts of Iran. Variables such as socio-demographics, HIV knowledge (10 items), and HIV attitude (16 items) were entered to a logistic regression to determine the predictors of unprotected anal intercourse during the past month.
  
  
  RESULTS
  From all, 20.8% reported unprotected anal intercourse during the past month. HIV knowledge was not significantly different among IDUs with and without unprotected anal intercourse. High age [odds ratio (OR) = 0.954, 95% confidence intervals (CI) = 0.916-0.992] was associated with a lower likelihood of unprotected anal intercourse, while being not married (OR = 2.301, 95% CI = 1.151-4.601), and high perceived HIV risk (OR = 1.776, 95% CI = 1.376-2.290) were associated with a higher likelihood of unprotected anal intercourse.
  
  
  CONCLUSIONS
  Although the results might not be generalizable to all Iranian IDUs, this study findings may still be helpful for design and implementation of public health programs in Iran to prevent sexual transmission of HIV through IDUs.
authors.affiliation: Department of Midwifery, Zanjan Branch, Islamic Azad University , Zanjan , Iran.
authors.forename: Parvaneh
authors.initials: P
authors.lastname: Mirabi
authors.affiliation: Department of Psychology, Bu-Ali Sina University , Hamedan , Iran.
authors.forename: Mosayeb Yarmohammadi
authors.initials: MY
authors.lastname: Vasel
authors.affiliation: Medicine and Health Promotion Institute , Tehran , Iran.
authors.forename: Babak
authors.initials: B
authors.lastname: Moazen
authors.affiliation: Universal Network for Health Information Dissemination and Exchange (UNHIDE) , Tehran , Iran.
authors.forename: Mahmoud
authors.initials: M
authors.lastname: Sehat
authors.affiliation: AIDS Prevention and Control Committee, Welfare Organization State , Tehran , Iran.
authors.forename: Majid
authors.initials: M
authors.lastname: Rezazadeh
authors.affiliation: Behavioral Sciences Research Center, Baqiyatallah Medical Sciences University , Tehran , Iran.
authors.forename: Khodabakhsh
authors.initials: K
authors.lastname: Ahmadi
keywords: Iran; anal intercourse; intra-venous drug users; risk behaviors; unprotected sex