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Table 1 Cognitive-behavioral coping skills training (CBT) versus 12-step facilitation (TSF)

From: Psychosocial interventions to reduce alcohol consumption in concurrent problem alcohol and illicit drug users: Cochrane Reviewa

Outcome or subgroup

Studies

Participants

Statistical method

Effect estimate

1.1 Continuous outcomes

  

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

1.1.1 Alcohol abstinence as maximum number of weeks of consecutive alcohol abstinence during treatment

1

41

Mean Difference (IV, Fixed, 95% CI)

0.40 [-1.14, 1.94]

1.1.2 Illicit drug abstinence as maximum number of weeks of consecutive abstinence from cocaine during treatment

1

41

Mean Difference (IV, Fixed, 95% CI)

0.80 [-0.70, 2.30]

1.2 Dichotomous outcomes

  

Risk Ratio (M-H, Fixed, 95% CI)

Subtotals only

1.2.1 Alcohol abstinence as number achieving three or more weeks of consecutive alcohol abstinence during treatment

1

41

Risk Ratio (M-H, Fixed, 95% CI)

1.96 [0.43, 8.94]

1.2.2 Illicit drug abstinence as number achieving three or more weeks of consecutive abstinence from cocaine during treatment

1

41

Risk Ratio (M-H, Fixed, 95% CI)

1.10 [0.42, 2.88]

1.2.3 Alcohol abstinence during follow-up year

1

41

Risk Ratio (M-H, Fixed, 95% CI)

2.38 [0.10, 55.06]

1.2.4 Illicit drug abstinence as abstinence from cocaine during follow-up year

1

41

Risk Ratio (M-H, Fixed, 95% CI)

0.39 [0.04, 3.98]