No QuitGO™		QuitGO™
Per-protocol analysis (No., %)	week-4	week-24	week-4	week-24	p-value week-4	p-value week-24
Overall sample	22/44 (50%)	17/42 (41.5%)	24/48 (50%)	20/45 (45.5%)	0.991	0.701
Low GN-SBQ (≤22)	13/24 (54.1%)	12/22 (54.5%)	8/28 (28.5%)	4/26 (15.3%)	0.056	0.002
High GN-SBQ (>22)	9/20 (45.9%)	5/20 (25.0%)	16/20 (81.5%)	16/19 (84.2%)	0.021	0.0001
Intention-to-treat analysis (No., %)
Overall sample	22/60 (36.6%)	17/60 (28.3%)	24/60 (40%)	20/60 (33.3%)	0.703	0.503
Low GN-SBQ (≤22)	13/34 (38.2%)	12/34 (35.2%)	8/35 (22.8%)	4/35 (11.4%)	0.133	0.016
High GN-SBQ (>22)	9/26 (34.6%)	5/26 (19.2%)	16/25 (64%)	16/25 (64%)	0.019	0.001