| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1666 |
66.2%
|
| 2 | I have never smoked everyday | 624 |
24.8%
|
| 3 | 1 to 5 cigarettes per day | 185 |
7.3%
|
| 4 | 6 to 15 cigarettes (about 1/2 pack) per day | 26 |
1%
|
| 5 | 16 to 25 cigarettes (about 1 pack) per day | 9 |
0.4%
|
| 6 | 26 to 35 cigarettes (about 1 1/2 pack) per day | 3 |
0.1%
|
| 7 | 36 cigarettes or more (about 2 packs or more) per day | 5 |
0.2%
|
| Sysmiss | 22 |