Table 1 Baseline demographic and clinical characteristics of participants enrolled in active and sham groups.

From: Effects of repeated transcranial direct current stimulation on smoking, craving and brain reactivity to smoking cues

 

Active Group (N = 17)

Sham Group (N = 12)

p-value*

Mean

SD

Mean

SD

Gender (Male/Female)

5/12

 

4/8

 

0.82

Handedness (Right/Left & Ambidextrous)

12/5

 

11/1

 

0.36

Age (years)

41.2

9.1

40.8

9.4

0.90

Duration of smoking (years)

21.4

7.4

22.9

7.9

0.68

Q-MAT score (motivation to quit)

14.9

3.6

15.5

2.9

0.66

FTND score (level of dependence)

6.5

1.0

6.8

1.6

0.68

Cigarette consumption reported at inclusion

17.6

4.4

20.6

3.7

0.07

Beck Depression Inventory score (Mood)

2.0

2.4

2.2

2.6

0.86

Level of CO in exhaled breath (ppm)

13.3

9.4

14.3

8.1

0.78

  1. CO, Carbon Monoxide; FTND, Fagerstrom Test for Nicotine Dependence; N, Number; Q-MAT, “Questionnaire de Motivation à l’Arrêt du Tabac”; SD, Standard Deviation.
  2. *Student’s t and chi-square tests were conducted to assess group differences for continuous and categorical variables, respectively.