Table 1 Demographic data and psychological traits of the participants in each group.

From: Neural substrates of propranolol-induced impairments in the reconsolidation of nicotine-associated memories in smokers

Characteristic

Propranolol

Placebo

P

n = 27

n = 25

Ā 

Mean (SD)

Mean (SD)

Ā 

Age (years)

27.89 (6.69)

28.24 (7.94)

0.83

Education (years)

14.38 (2.73)

13.79 (1.44)

0.40

BMI

23.78 (3.34)

22.33 (2.94)

0.49

Age when first smoked

18.69 (3.0)

19 (3.5)

0.74

Duration of smoking (years)

9.63 (6.95)

8.96 (7.33)

0.72

Cigarettes per day

13.4 (6.1)

15.1 (8.4)

0.48

FNDT score

5.08 (1.38)

5.48 (1.81)

0.37

BDI score

4.19 (4.85)

5.08 (6.56)

0.58

SAS score

32.92 (8.48)

33.16 (8.33)

0.92

BIS score

47.92 (17.48)

48.64 (14.49)

0.87

  1. BMI body mass index, BDI Beck Depression Inventory, FNDT Fagerstrom Nicotine Dependence Test, SAS self-rating Anxiety Scale, BIS Barratt Impulsivity Scale.
  2. The data are expressed as mean ± standard deviation.