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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]