Variable model   OR 95% CI P
Age continuous  1.01 0.98-1.04 0.45
Gender  (R=female) Male 0.99 0.61-1.61 0.98
Marital status (R=living alone) Cohabiting 1.13 0.66-1.94 0.67
Employment  (R=employed) Unemployed 0.43 0.22-0.86 0.02*
  Retired 1.28 0.59-2.76 0.53
Education (R=basic or none) Lower intermediate 0.89 0.49-1.64 0.72
  High or higher intermediate 2.03 0.96-4.30 0.06
Primary drinking pattern (R=episodic drinker) Regular drinker 0.68 (0.40a) 0.34-1.34 (0.14-1.13 a) 0.26 (0.08a)
Regular drinkers’ pretreatment alcohol consumption        
level (R=low risk) High risk 0.58(0.53a) 0.26-1.30 (0.20-3.02a) 0.19 (0.20a)
Comorbid psychiatric and/or somatic disorders (R=no) yes 0.80 (1.00a) 0.48-1.34 (0.53-1.91a) 0.39 (0.99a)
  missing information  0.44 (0.56a) 0.22-0.85 (0.25-1.24a) 0.02* (0.15a)
Dependent variable was categorized as 1=good adherence with naltrexone and 0=poor adherence)
R=Reference Category; A:Adjusted for Socio-demographic Variables
Table 2: Predictors of patients’ (n=299) adherence to naltrexone medication in a treatment for problem drinking: primary drinking pattern, pretreatment alcohol consumption level, comorbid disorders and socio-demographic variables
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