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

From: Group hypnosis vs. relaxation for smoking cessation in adults: a cluster-randomised controlled trial

Variable Hypnosis (n= 116) Relaxation (n= 107) Total (N= 223) Test
  n % M SD n % M SD n % M SD t, X 2
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
  1. Note. M, Mean; SD, Standard deviation.
  2. *p ≤ 0.05. This table was created on the basis of the intention-to-treat dataset.