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Table 1 Illicit substance use last 30 days prior to intake to trial for opioid dependent sample

From: Five-factor model personality traits in opioid dependence

  n (%)
Opioids 61 (94)
Sedatives 54 (83)
Cannabis 45 (69)
Amphetamines 20 (31)
Heavy drinking 10 (15)
Poly-substance use 51 (78)
Injecting use 51 (78)