Table 2 Results on quit rate and readiness to quit smoking using the last observation carried forward approach

Self-reported 7-day point prevalence abstinence at the 12-month follow-up

70

17 (24.3%)

74

16 (21.6%)

1.12 (0.62–2.05)

0.704

Bio-validated quit rate

0.63 (0.16, 2.56)

0.261

Readiness to quit smoking

70

74

0.003*

 Pre-contemplation

11 (18.6%)

35 (47.3%)

 Contemplation

14 (18.6%)

11 (14.9%)

 Preparation

29 (32.9%)

10 (13.5%)

 Action

10 (21.4%)

14 (18.9%)

 Maintenance

6 (8.6%)

4 (5.4%)

Mean ± SD

Mean ± SD

Mean Difference (95% CI)

Average daily cigarette consumption in the past 12 months

70

11.22 ± 9.24

73

11.17 ± 8.43

0.052 (−2.87–2.97)

0.972

Average number of quit attempts in the past 12 months

70

0.79 ± 1.19

74

0.66 ± 1.82

0.13 (− 0.38–0.63)

0.632

Importance of quitting

69

82.54 ± 19.55

74

74.93 ± 20.26

7.60 (1.01–14.20)

0.024

Difficulty in quitting

69

69.28 ± 23.16

74

64.39 ± 27.93

4.88 (−3.59–13.35)

0.256

Confidence in being able to quit

69

63.33 ± 23.93

73

58.29 ± 27.19

4.32 (− 4.14–12.78)

0.312

Psychological flexibility

60

27.80 ± 3.52

53

27.42 ± 3.68

0.38 (− 0.96–1.73)

0.571

n (%)

n (%)

Readiness to quit smoking

70

74

0.014

 Less than before

13 (18.6%)

30 (40.5%)

 Same as before

28 (40.0%)

24 (32.4%)

 More than before

29 (41.4%)

20 (27.0%)

Mean ± SD

Mean ± SD

Mean Difference (95% CI)

Average number of quit attempts

70

0.79 ± 1.19

74

0.66 ± 1.82

0.13 (− 0.38–0.63)

0.632

Importance of quitting

69

10.22 ± 19.41

74

4.93 ± 17.95

5.28 (− 0.89–11.46)

0.093

Difficulty in quitting

69

− 1.38 ± 16.13

74

− 1.42 ± 14.70

0.04 (− 5.06–5.14)

0.987

Confidence in being able to quit

69

9.13 ± 20.49

73

2.19 ± 20.09

6.21 (− 0.73–13.16)

0.079

Psychological flexibility

48

1.42 ± 2.94

44

0.16 ± 2.22

1.26 (0.18–2.33)

0.022