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. 2021 Sep 6;2021(9):CD011556. doi: 10.1002/14651858.CD011556.pub2

Comparison 7. Adjunctive counseling + cost‐free meds versus standard care.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
7.1 Long‐term abstinence 3 1066 Risk Ratio (M‐H, Random, 95% CI) 3.09 [1.13, 8.44]