| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1776 |
64.5%
|
| 2 | I don't smoke now | 597 |
21.7%
|
| 3 | Yes | 181 |
6.6%
|
| 4 | No | 199 |
7.2%
|
| Sysmiss | 36 |