Comparison 2. Mindfulness versus other treatments.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Continuous abstinence at post‐treatment	1	286	Risk Ratio (M‐H, Random, 95% CI)	0.80 [0.45, 1.44]
2.2 Continuous abstinence at follow‐up	1	286	Risk Ratio (M‐H, Random, 95% CI)	0.57 [0.28, 1.16]
2.3 Percentage days with substance use at post‐treatment	5	523	Std. Mean Difference (IV, Random, 95% CI)	‐0.21 [‐0.45, 0.03]
2.4 Percentage days with substance use at follow‐up	3	409	Std. Mean Difference (IV, Random, 95% CI)	‐0.39 [‐0.96, 0.17]
2.5 Consumed amount at post‐treatment	1	25	Std. Mean Difference (IV, Random, 95% CI)	‐0.42 [‐1.23, 0.39]
2.6 Craving intensity at post‐treatment	9		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
2.7 Craving intensity at follow‐up	4		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
2.8 Treatment acceptability (attrition)	14	1531	Risk Ratio (M‐H, Random, 95% CI)	1.06 [0.89, 1.26]
2.9 Treatment acceptability (attrition): sensitivity analysis (fixed effects model)	14	1531	Risk Ratio (M‐H, Fixed, 95% CI)	1.07 [0.91, 1.25]