Table 1 Baseline characteristics of the hypnosis and the relaxation group and of the total sample

Demographics

 Female

52

44.8

53

49.5

105

47.1

0.50

 Age

116

38.0

13.2

107

36.9

10.1

223

37.5

11.8

−0.71

 Swiss

102

87.9

90

84.1

192

86.1

0.68

Civil status

2.04

 Single

49

42.2

51

47.7

100

44.8

 Married

45

38.8

43

40.2

88

39.5

 Divorced/separated

22

19.0

13

12.1

35

15.7

Education

11.22*

 Basic education

13

11.2

4

3.7

17

7.6

 Apprenticeship

56

48.3

40

37.4

96

43.0

 Maturity

24

20.7

24

22.4

48

21.5

 University

23

19.8

39

36.4

62

27.8

Smoking-related variables

 FTND

115

5.0

2.2

107

4.4

2.0

222

4.7

2.1

−2.13*

 Self-efficacy

115

3.3

0.9

106

3.3

0.8

221

3.3

0.9

−0.43

 Cotinine (ng/mL)

115

336.6

119.3

107

326.3

124.6

222

331.6

121.7

−0.63

 Age at first cigarette

93

16.2

3.3

85

17.2

3.6

178

16.7

3.5

1.89

 Smoking cohabitants

11

24.4

16

38.1

27

31.0

1.89

 Cessation attempts

 Number

37

3.3

3.4

43

3.7

5.2

80

3.5

4.5

0.37

 NRT

38

40.9

34

40.0

72

40.4

0.01

 Alternative therapies

18

19.4

16

18.8

34

19.1

0.01

Physical health

 PCS-12

116

51.5

6.5

106

52.7

5.6

222

52.1

6.1

−1.56

 Lung disease (life)

11

10.1

8

8.2

19

9.2

0.23

 Heart disease (life)

6

5.5

3

3.1

9

4.3

0.74

 Cancer (life)

4

3.7

1

1.0

5

2.4

1.54

Mental health

 MCS-12

116

50.0

8.4

106

50.1

7.5

222

50.1

7.9

−0.10

 BDI

116

0.9

0.7

107

0.9

0.7

223

0.9

0.7

−0.95

 BAI

116

0.4

0.4

106

0.3

0.3

222

0.4

0.4

−2.23*

Substance consumption

 Alcohol (30 days)

116

7.2

6.6

106

8.6

6.7

222

7.9

6.7

1.59

 Alcohol (7 days)

116

1.8

1.8

106

2.2

1.6

222

2.0

1.7

1.61

 Cannabis (life)

66

56.9

73

68.9

139

62.6

3.39

 Cocaine (life)

13

11.2

13

12.3

26

11.7

0.06