| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke during the past 30 days | 3911 |
83.3%
|
| 2 | Less than 1 per day | 356 |
7.6%
|
| 3 | About 1 per day | 257 |
5.5%
|
| 4 | 2 to 5 per day | 124 |
2.6%
|
| 5 | 6 to 10 per day | 30 |
0.6%
|
| 6 | 11 to 20 per day | 5 |
0.1%
|
| 7 | More than 20 per day | 11 |
0.2%
|
| Sysmiss | 27 |