Table 1. Participants’ characteristics at baseline.

	Total (n=451)	Nicotine gums–only group (n=191)	Digital peer-supported app and nicotine gums (n=260)
Sex, n (%)
Male	434 (96.2)	190 (99.5)	244 (93.8)
Female	17 (3.8)	1 (0.5)	16 (6.2)
Age (years), n (%)
20‐29	6 (1.3)	4 (2.1)	2 (0.8)
30‐39	70 (15.5)	39 (20.4)	31 (11.9)
40‐49	97 (21.5)	45 (23.6)	52 (20)
50‐59	171 (37.9)	68 (35.6)	103 (39.6)
60＋	107 (23.7)	35 (18.3)	72 (27.7)
Duration of smoking (years), n (%)
0‐4	14 (3.1)	8 (4.2)	6 (2.3)
5‐9	37 (8.2)	20 (10.5)	17 (6.5)
10‐19	90 (20)	44 (23)	46 (17.7)
20‐29	167 (37)	65 (34)	102 (39.2)
30＋	143 (31.7)	54 (28.3)	89 (34.2)
Cigarettes/day, n (%)
1‐9	72 (16)	29 (15.2)	43 (16.5)
10‐19	299 (66.3)	126 (66)	173 (66.5)
20＋	80 (17.7)	36 (18.8)	44 (16.9)
Purpose of smoking cessation, n (%)
My health	250 (55.4)	113 (59.2)	137 (52.7)
Saving for money	129 (28.6)	51 (26.7)	78 (30)
Family’s health	46 (10.2)	12 (6.3)	34 (13.1)
None	14 (3.1)	8 (4.2)	6 (2.3)
Others	12 (2.7)	7 (3.7)	5 (1.9)
Motivation for smoking cessation, mean (SD)	7.9 (2.1)	7.7 (2.2)	8.1 (2)