| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 891 |
62.4%
|
| 2 | 7 years old or younger | 22 |
1.5%
|
| 3 | 8 or 9 years old | 29 |
2%
|
| 4 | 10 or 11 years old | 58 |
4.1%
|
| 5 | 12 or 13 years old | 250 |
17.5%
|
| 6 | 14 or 15 years old | 167 |
11.7%
|
| 7 | 16 years old or older | 12 |
0.8%
|
| Sysmiss | 24 |