Table 2 Means of the two sub-populations according to the different quantitative variables

Age

45.6 (10.6)

45.9 (11.1)

0.73

Fagerström score

7.2 (2.1)

8 (1.7)

<0.001

Daily consumption of cigarettes

24.2 (10.7)

28.1 (11.6)

<0.001

Number of pack years

29.7 (18)

33.9 (19.7)

0.002

Number of previous cessation attempts

2.8 (2.8)

0 (0)

<0.001

Demaria and Grimaldi test

11.7 (3.1)

11 (3.1)

0.003

Initial dose of nicotine in the replacement therapy

26.2 (12.1)

29.6 (14.1)

<0.001

Duration of the nicotine replacement therapy (weeks)

14.6 (15.6)

28.1 (17.5)

0.008

Duration of treatment with serotonin reuptake inhibitors (weeks)

6.7 (5.1)

7 (4.1)

0.7

Duration of treatment with Bupropion (weeks)

3.1 (1.2)

3.5 (1.6)

0.12

Duration of treatment with Varenicline (weeks)

5 (2)

5.3 (2)

0.6

Weight gain (kilograms)

4.1 (3.8)

3.9 (2.9)

0.52