| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 953 |
70.6%
|
| 2 | I did not smoke during the past 12 months | 149 |
11%
|
| 3 | Yes | 137 |
10.1%
|
| 4 | No | 111 |
8.2%
|
| Sysmiss | 23 |