| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, but I didn't think much of them | 2067 |
31.7%
|
| 2 | Yes, and they led me to think about quitting smoking or not starting smoking | 1199 |
18.4%
|
| 3 | No | 3248 |
49.9%
|
| Sysmiss | 166 |