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Table 1 Group demographics

From: Cognitive function during early abstinence from opioid dependence: a comparison to age, gender, and verbal intelligence matched controls

 

Participants with opioid dependence (n = 15)

Controls (n = 15)

P-value

Age, years (M, SD)

31.6 (5.8)

31.3 (5.9)

NS.

Gender: females/males

9/6

9/6

NS.

Verbal intelligence a( M, SD)

98.7 (8.9)

98.5 (10.1)

NS

Education, years (M, SD)

11.6 (1.2)

13.9 (1.6)

P < 0.001

Duration of any substance abuse, years (M, SD)

15.2 (6.1)

  

Duration of opioid abuse, years (M, SD)

8.6 (4.1)

  

Duration of withdrawal, days (M, SD)

9.6 (2.3)

  

Short Opiate Withdrawal Scale score (M, SD)

9.8 (5.7) (n = 13)

  
  1. aEstimation based on WAIS-R Vocabulary score.