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Table 3 Odds ratios (OR) and 95% confidence intervals (CI) of binary logistic regression analyses with cocaine use as dependent variable

From: Association between methadone dose and concomitant cocaine use in methadone maintenance treatment: a register-based study

  

Cocaine use (n = 574, χ2 = 2.53, p = 0.96a)

 

Variable

 

OR

95% CI

pb

   

Lower

Upper

 

Concomitant heroin usec

 

4.890

3.245

7.369

<0.0001

Methadone dosed

Medium dose (60–100 mg/d)

2.301

1.430

3.701

0.00059

 

High dose (>100 mg/d)

2.085

1.190

3.656

0.011

Specialized centerse

 

1.881

1.185

2.986

0.0074

Days with take-home

 

.822

.754

.897

<0.0001

Employedf

 

.616

.364

1.043

0.071

  1. Significance level set at p < 0.05.
  2. aHosmer-Lemeshow test.
  3. bP-value from Wald test with 1 degree of freedom.
  4. cNo heroin use as reference category.
  5. dLow-dose (<60 mg/d) as reference category.
  6. eOffice-based setting as reference category.
  7. fUnemployed/pension as reference category.
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Substance Abuse Treatment, Prevention, and Policy

ISSN: 1747-597X