Comparison 11. Free NRT versus purchased NRT.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
11.1 Smoking cessation	2	740	Risk Ratio (M‐H, Fixed, 95% CI)	1.38 [0.90, 2.13]
11.1.1 Patch	1	636	Risk Ratio (M‐H, Fixed, 95% CI)	1.24 [0.77, 1.99]
11.1.2 Gum	1	104	Risk Ratio (M‐H, Fixed, 95% CI)	2.70 [0.89, 8.20]
11.2 Cardiac adverse events	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected