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Table 3 Evolution of primary outcome variables by treatment group

From: Impact of a board-game approach on current smokers: a randomized controlled trial

Treatment group

Pick-Klop

Psycho-education

Waiting list

Pick-Klop

Psycho-education

Waiting list

Pick-Klop

Psycho-education

Waiting list

Assessment-time

Pretest (T0)

Pretest (T0)

Pretest (T0)

Week 2 (T1)

Week 2 (T1)

Week 2 (T1)

Month 3 (T2)

Month 3 (T2)

Month 3 (T2)

Attitudes Towards Nicotine Replacement Therapy Scale

         

- Perceived advantage

19.3 ±8.6

18.8 ±8.8

19.7 ±8.8

25.2 ±7.9

25.1 ± 7.7

18.3 ± 8.6

24.4 ±8.7

25.8 ±7.1

20.0 ±8.2

- Drawback

9.9 ±4.3

11.3 ±4.4

10.0 ±4.7

10.5 ± 4.2

9.9 ± 3.8

11.2 ± 4.6

10.9 ±4.6

9.8 ±3.7

11.0 ±5.3

- “Don’t know” answers

2.2 ±2.7

2.4 ±2.9

2.5 ±3.2

1.1 ± 1.9

0.9 ± 1.7

2.5 ± 2.5

0.8 ±1.8

0.8 ±1.3

2.0 ±1.1

Attitudes Towards Smoking Scale

         

- Adverse effects of smoking

38.6 ±6.8

38.8 ±8.5

39.8 ±5.3

40.1 ± 7.6

40.9 ± 7.6

41.4 ± 5.3

39.5 ±7.9

41.8 ±7.3

39.9 ±6.1

- Psychoactive benefits of smoking

13.9 ± 4.1

14.3 ± 4.1

14.0 ± 4.3

12.8 ± 4.0

14.0 ± 3.6

13.6 ± 3.8

12.8 ± 4.4

12.7 ± 3.9

13.5 ± 3.6

- Pleasure of smoking

14.4 ±3.8

13.6 ±3.1

14.7 ±3.6

13.3 ± 3.6

12.6 ± 3.3

14.9 ± 3.4

12.8 ±3.4

12.7 ±4

15.4 ±4.2

Smoking Self-Efficacy Questionnaire

         

- Internal score

15.6 ±5.9

14.0 ±6.0

15.9 ±6.7

16.2 ± 5.8

15.1 ± 5.8

15.6 ± 5.6

18.8 ±6.9

14.9 ±7.9

15.4 ±5.2

- External score

13.8 ±6.3

11.9 ±5.3

13.7 ±7.0

14.6 ± 4.8

13.7 ± 5.5

13.7 ± 5.8

16.4 ±6.9

14.1 ±7.6

14.1 ±6.7

- Total score

29.3 ± 10.8

25.8 ± 9.5

29.8 ± 12.5

30.8 ± 9.0

28.8 ± 10.0

29.3 ± 10.3

35.2 ±12.4

29.4 ±14.9

29.7 ±10.2

Cigarettes smoked per day

15.8 ±8.3

15.5 ±7.3

12.8 ±7.0

15.0 ± 8.7

14.9 ± 7.7

13.3 ± 12.5

10.1 ±8.8

12.7 ±10.0

11.9 ±7.9

Stage of change, 1 %

         

- Precontemplation

38.3

20.0

43.3

42.5

20.0

63.3

50.0

46.7

60.0

- Contemplation

48.3

61.7

46.7

36.7

60.0

30.0

32.5

38.3

35.0

- Preparation

13.3

18.3

10.0

17.5

18.3

3.3

2.5

3.3

1.7

- Action

- 

- 

- 

3.3

1.7

3.3

15.0

11.7

3.3

Non-smokers,%

- 

- 

- 

3.3

1.7

3.3

15.0

11.7

3.3

  1. Interval variables are reported by their means and standard deviations, M ± SD. Categorical variables are reported by their percentages,%.
  2. 1For the purposes of GEE analysis, participants in the precontemplation stage are grouped in stage 1 and participants in all other stages in stage 2.