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Table 3 Motivational interviewing (group) (MI-G) versus hepatitis health promotion (HHP)

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

3.1 Continuous outcomes

  

Mean Difference (IV, Fixed, 95% CI)

Subtotals only

3.1.1 Alcohol use as number of standard drinks consumed per day over the last 30 days

1

147

Mean Difference (IV, Fixed, 95% CI)

−0.40 [-2.03, 1.23]

3.1.2 Illicit drug use as frequency of drug use (as measured by Addiction Severity Index - ASI drug)

1

147

Mean Difference (IV, Fixed, 95% CI)

0.00 [-0.03, 0.03]

3.1.3 Illicit drug use as a composite drug score (frequency*severity for all drugs taken)

1

151

Mean Difference (IV, Fixed, 95% CI)

0.0[-0.42, 0.42]

3.2 Dichotomous outcomes

  

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

Subtotals only

3.2.1 Alcohol use as greater than 50% reduction in number of standard drinks consumed per day over the last 30 days

1

166

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

1.10 [0.82, 1.48]

3.2.2 Alcohol abstinence as abstinence from alcohol over the last 30 days

1

166

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

0.88 [0.49, 1.58]