| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2344 |
86.6%
|
| 2 | 7 years old or younger | 88 |
3.3%
|
| 3 | 8 or 9 years old | 14 |
0.5%
|
| 4 | 10 or 11 years old | 26 |
1%
|
| 5 | 12 or 13 years old | 45 |
1.7%
|
| 6 | 14 or 15 years old | 92 |
3.4%
|
| 7 | 16 years old or older | 97 |
3.6%
|
| Sysmiss | 331 |