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Table 2 Associations between substance use practices and having multiple sex partners for IDUs and non-IDUs

From: Comparing sexual risks and patterns of alcohol and drug use between injection drug users (IDUs) and non-IDUs who report sexual partnerships with IDUs in St. Petersburg, Russia

  All participants N = 396 IDUs n = 331 Non-IDUS n = 65
  uOR aOR*4 uOR aOR*4 uOR aOR*4
Male 0.7 (0.5-1.1)*   0.8 (0.5-1.3)   1.1 (0.4-3.3)  
HIV 0.8 (0.5-1.3)   1.0 (0.6-1.6)   0.5 (0.03-7.8)  
Log age 0.9 (0.4-2.2)   0.7 (0.3-2.2)   7.2 (0.8-68.5)*  
Married/partnered 0.8 (0.5-1.2)   0.8 (0.5-1.3)   1.3 (0.4-4.8)  
Injection drug use last 6 months 0.4 (0.2-0.6)*** 0.3 (0.2-0.5)*** -   -  
Meth use, injected or not, last 30 days *1 1.7 (1.0-3.0)** 1.8 (1.1-3.1)** 2.0 (1.1-3.5)** 1.9 (1.0-3.3)** 1.2 (0.2-7.0)  
Injected > 20 times/month -   0.9 (0.6-1.5)   -  
Unsafe injection last 30 days -   1.1 (0.6-1.8)   -  
Risky alcohol use*2 1.6 (1.0-2.4)**   1.3 (0.8-2.1)   3.2 (2.7-34.1)* 5.1 (0.9-30.1)*
Had sex when high on drugs or alcohol*3 2.0 (1.3-3.1)*** 2.4 (1.5-3.8)*** 1.8 (1.1-3.0)** 1.8 (1.1-3.0)** 9.5 (2.7-34.1)*** 10.7 (2.6-43.9)***
  1. * p< = 0.2
  2. ** p < = 0.05
  3. *** p < = 0.01
  4. *1 99% of methamphetamine use was in the form of injection among IDUs
  5. *2 determined by an at-risk AUDIT-C score
  6. *3 had sex while participant or partner or both were drunk or high
  7. *4 also controlled for education, employment, homelessness, incarceration, living with family and having legal income. These variables were not significant