Comparison 7. Additional behavioural SC components.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Abstinence	4	1033	Risk Ratio (M‐H, Random, 95% CI)	0.79 [0.34, 1.84]
1.1 Twice weekly vs weekly behavioural support	1	56	Risk Ratio (M‐H, Random, 95% CI)	0.41 [0.15, 1.13]
1.2 NRT adherence counselling	1	928	Risk Ratio (M‐H, Random, 95% CI)	1.73 [1.09, 2.74]
1.3 Peer support	1	24	Risk Ratio (M‐H, Random, 95% CI)	0.67 [0.13, 3.30]
1.4 Motivational self‐talk	1	25	Risk Ratio (M‐H, Random, 95% CI)	0.54 [0.17, 1.70]
2 Pre‐quit reduction in cpd	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
2.1 Twice weekly vs weekly behavioural support	1		Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]