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Table 4 Predictors of abstinence from baseline to follow-up (N = 123 patients)

From: Improved drug-use patterns at 6 months post-discharge from inpatient substance use disorder treatment: results from compulsorily and voluntarily admitted patients

Parameter Bivariate analysis P valuea Multivariate analysis P valueb
OR (95 % CI)   OR (95 % CI)
Age 1.02 (0.98–1.06) 0.267  
Female 1.27 (0.60–2.67) 0.528  
Education (years) 1.05 (0.88–1.25) 0.619  
Relationship status, single 0.56 (0.25–1.30) 0.175 0.45 (0.17–1.25) 0.127
Main diagnosis 1.23 (0.45–3.34) 0.687  
Severity scores
 Non-injection use 2.59 (1.21–5.54) 0.014 3.36 (1.32–8.56) 0.011
 Years of using most problematic substance 1.01 (0.96–1.1) 0.699  
 Overdoses 0.92 (0.43–1.97) 0.840  
 Suicide attempts lifetime 1.32 (0.63–2.79) 0.456   
Treatment variables
 Days in treatment 1.00 (0.98–1.02) 0.511  
 Voluntary treatment 0.31 (0.14–0.68) 0.004 3.40 (1.29–8.93) 0.011
Follow-up variables
 Abstinence at follow-up 1.51 (0.63–3.66) 0.356  
 Time in a controlled environment (days)c 1.07 (1.03–1.10) <0.001 1.08 (1.04–1.12) <0.001
  1. a P value obtained from bivariate logistic regression
  2. b P value obtained from multivariable logistic regression; multivariable analysis included variables with p values <0.20 in bivariate analyses
  3. cTime in controlled environment in last 30 days before follow-up interview