| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, but I didn't think much of them | 1500 |
32.5%
|
| 2 | Yes, and they led me to think about quitting smoking or not starting smoking | 781 |
16.9%
|
| 3 | No | 2331 |
50.5%
|
| Sysmiss | 187 |