| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3769 |
86.3%
|
| 2 | At present, I do not smoke cigarettes | 388 |
8.9%
|
| 3 | After less than 5 minutes | 76 |
1.7%
|
| 4 | After 5 to 14 minutes | 22 |
0.5%
|
| 5 | After 15 to 29 minutes | 15 |
0.3%
|
| 6 | After 30 to 59 minutes | 12 |
0.3%
|
| 7 | After 60 minutes or more | 84 |
1.9%
|
| Sysmiss | 165 |