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Table 3 Frequency distribution of drug screen positive patients according to their substance use disorder

From: Prevalence and clinical implication of adverse childhood experiences and their association with substance use disorder among patients with schizophrenia

Variables Drug screen positive patients (n = 30)
Type of drug  
 Cannabis 23 (76.7%)
 Cannabis, Tramadol 7 (23.3%)
Frequency  
 Daily 25 (83.3%)
 Weekly 5 (16.7%)
Age of onset of substance use  
 Mean ± SD 19.8 ± 4.6
Duration of substance use (years)  
 Mean ± SD 10.6 ± 3.9
Abstinence  
 Yes 19 (63.3%)
 No 11 (36.7%)
Hospitalization due to substance use  
 Yes 4 (13.3%)
 No 26 (86.7%)
Addiction severity index  
 Mean ± SD 28.5 ± 9.4
  1. SD standard deviation