| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, but I didn't think much of them | 1362 |
26.2%
|
| 2 | Yes, and they led me to think about quitting smoking or not starting smoking | 1212 |
23.3%
|
| 3 | No | 2620 |
50.4%
|
| Sysmiss | 194 |