Table 3 Results on quit rate and readiness to quit smoking using imputation of baseline data

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

70

12 (17.1%)

74

10 (13.5%)

1.27 (0.59–2.75)

0.273

Bio-validated quit rate

0.63 (0.16, 2.56)

0.261

Readiness to quit smoking

–

0.054

 Pre-contemplation

70

11 (15.7%)

74

27 (36.5%)

 Contemplation

14 (20.0%)

12 (16.2%)

 Preparation

29 (41.4%)

25 (33.8%)

 Action

10 (14.3%)

8 (10.8%)

 Maintenance

6 (8.6%)

2 (2.7%)

Mean ± SD

Mean ± SD

Mean Difference (95% CI)

Average daily cigarette consumption in the past 12 months

70

13.04 ± 9.37

73

13.88 ± 8.65

− 0.85 (− 3.83–2.13)

0.575

Average number of quit attempts in the past 12 months

70

1.66 ± 1.67

74

1.74 ± 1.78

− 0.08 (− 0.65–0.49)

0.785

Importance of quitting

69

79.93 ± 20.73

74

73.85 ± 20.57

6.08 (− 0.75–12.91)

0.081

Difficulty in quitting

69

68.41 ± 23.24

74

65.61 ± 27.98

2.80 (− 5.69–11.28)

0.515

Confidence in being able to quit

69

60.29 ± 24.25

73

58.97 ± 26.42

1.32 (−7.11–9.75)

0.758

Psychological flexibility

60

27.88 ± 3.52

53

27.42 ± 3.62

0.46 (− 0.88–1.81)

0.495

n (%)

n (%)

Readiness to quit smoking

70

74

–

0.014

 Less than before

7 (10.0%)

19 (25.7%)

 Same as before

43 (61.4%)

46 (62.2%)

 More than before

20 (28.6%)

9 (12.2%)

Mean ± SD

Mean ± SD

Mean Difference (95% CI)

Importance of quitting

69

7.61 ± 18.64

74

3.85 ± 15,018

3.76 (− 1.89–9.41)

0.190

Difficulty in quitting

69

−2.25 ± 14.18

74

−0.20 ± 13.25

− 2.04 (− 6.58–2.49)

0.375

Confidence in being able to quit

69

6.09 ± 19.34

73

2.88 ± 16.03

3.21 (− 2.70–9.13)

0.285

Psychological flexibility

48

1.42 ± 2.93

44

0.16 ± 2.00

1.26 (0.22–2.29)

0.018