Table 3—
Quit rates
Group 1
Group 2
Group 3
Total
After 10 sessions (male/female)
14 (5/9)
13 (5/8)
8 (0/8)
35 (10/25) 92%
After 6 months (male/female)
11
10
6
27 (77%)
After 1 year (male/female)
10
10
5
25 (72%)
After 2 years (male/female)
10
10
3
23 (66%)