Table 1 Baseline characteristics of the responders and non-responders in the follow-up

Gender, n (% female)

367 (68.2)

206 (71.3)

NS

Age, n (%)

NS

  < 21 years

46 (8.6)

24 (8.3)

 21–25 years

245 (45.5)

127 (8.3)

 26–30 years

118 (21.9)

63 (21.8)

  ≥ 31 years

129 (24.0)

75 (26.0)

Marital status, n (% single)

288 (53.5)

138 (47.8)

NS

Duration of smoking in years, median, (IQR)

8 (7)

8 (8)

NS

Number of cigarettes per week^a median (IQR)

70 (70.0)

56 (57.8)

P = 0.016^b

Using snuff, n (% yes)

127 (23.6)

67 (23.2)

NS

Importance of quitting smoking, median (IQR)

(Scale: 1–10 where 1 = not important at all, 10 = very important)

9 (3)

9 (2)

NS