| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, but I didn't think much of them | 305 |
7.5%
|
| 2 | Yes, and they led me to think about quitting smoking | 202 |
4.9%
|
| 3 | Yes, and they led me to not start smoking | 1173 |
28.7%
|
| 4 | No | 2412 |
58.9%
|
| Sysmiss | 56 |