Comparison 2. Cost‐free medications (patient‐level).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Long‐term abstinence (subgrouped by single vs. multicomponent intervention type)	10	7560	Risk Ratio (M‐H, Random, 95% CI)	1.36 [1.05, 1.76]
2.1.1 Cost‐free meds + standard care vs standard care	6	4975	Risk Ratio (M‐H, Random, 95% CI)	1.46 [1.05, 2.03]
2.1.2 Cost‐free meds + multicomponent int vs multicomponent int	4	2585	Risk Ratio (M‐H, Random, 95% CI)	1.21 [0.81, 1.82]
2.2 Quit attempts	3		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
2.2.1 Cost‐free meds + standard care vs standard care	3	2669	Risk Ratio (M‐H, Random, 95% CI)	1.21 [1.02, 1.43]