| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days (one month) | 3671 |
98.9%
|
| 2 | Less than 1 cigarette per day | 24 |
0.6%
|
| 3 | 1 cigarette per day | 9 |
0.2%
|
| 4 | 2 to 5 cigarettes per day | 3 |
0.1%
|
| 5 | 6 to 10 cigarettes per day | 5 |
0.1%
|
| 6 | 11 to 20 cigarettes per day | 0 |
0%
|
| 7 | More than 20 cigarettes per day | 1 |
0%
|
| Sysmiss | 3 |