| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3826 |
51.2%
|
| 2 | 7 years old or younger | 641 |
8.6%
|
| 3 | 8 or 9 years old | 672 |
9%
|
| 4 | 10 or 11 years old | 946 |
12.7%
|
| 5 | 12 or 13 years old | 1064 |
14.2%
|
| 6 | 14 or 15 years old | 293 |
3.9%
|
| 7 | 16 years old or older | 32 |
0.4%
|
| Sysmiss | 253 |