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Table 3 Variables associated with recent witnessing of an opioid overdoses

From: Psychosocial and contextual correlates of opioid overdose risk among drug users in St. Petersburg, Russia

  Number of Witnessed Overdoses (past year) Negative Binomial Regression
   Adjusted Parameter Estimate 95% Confidence Interval
Greater perceived likelihood of overdosing again ρs = .43*** 0.3 0.02 – .50
Greater concern for self-sustained overdose risk ρs = .33**   
Greater concern for others' overdose risk ρs = .32**   
Higher SCL-90 Somatization score ρs = .40***   
Higher ASI Drug composite score ρs = .37**   
Higher ASI Family composite score ρs = .31* 0.7 -0.9 – 2.4
More days with medical problemsa ρs = .32**   
More troubled by medical problemsa ρs = .42*** 0.6 0.3 – 0.8
  1. * p < 0.05
  2. ** p < 0.01
  3. *** p < 0.001
  4. a Past 30 days
  5. ρs = Spearman correlation coefficient