| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3050 |
61.9%
|
| 2 | 7 years or younger | 434 |
8.8%
|
| 3 | 8 or 9 years old | 270 |
5.5%
|
| 4 | 10 or 11 years old | 373 |
7.6%
|
| 5 | 12 or 13 years old | 455 |
9.2%
|
| 6 | 14 or 15 years old | 307 |
6.2%
|
| 7 | 16 years old or older | 41 |
0.8%
|
| Sysmiss | 268 |