Comparison 8. Behavioural reduction versus nicotine fading.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Abstinence	3		Risk Ratio (M‐H, Random, 95% CI)	Totals not selected
1.1 Reduction vs nicotine fading	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
1.2 Reduction + nicotine fading vs nicotine fading only	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
1.3 Reduction alone vs reduction + nicotine fading	1		Risk Ratio (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
2 Pre‐quit reduction in cotinine	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
2.1 Reduction alone vs nicotine fading + reduction	1		Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
3 Pre‐quit tobacco withdrawal			Other data	No numeric data