Comparison 4. Tailored print materials (patient‐level).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
4.1 Long‐term abstinence (subgrouped by theoretical basis)	6	15978	Risk Ratio (M‐H, Random, 95% CI)	1.29 [1.04, 1.59]
4.1.1 Based on transtheoretical model	2	2470	Risk Ratio (M‐H, Random, 95% CI)	1.52 [1.07, 2.17]
4.1.2 No clear theoretical basis	4	13508	Risk Ratio (M‐H, Random, 95% CI)	1.20 [0.90, 1.61]
4.2 Quit attempts	3	11122	Risk Ratio (M‐H, Random, 95% CI)	1.08 [1.00, 1.17]