| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2800 |
81.8%
|
| 2 | 7 years old or younger | 32 |
0.9%
|
| 3 | 8 or 9 years old | 64 |
1.9%
|
| 4 | 10 or 11 years old | 107 |
3.1%
|
| 5 | 12 or 13 years old | 229 |
6.7%
|
| 6 | 14 or 15 years old | 174 |
5.1%
|
| 7 | 16 years old or older | 18 |
0.5%
|
| Sysmiss | 119 |