| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 569 |
50.4%
|
| 2 | 7 years old or younger | 33 |
2.9%
|
| 3 | 8 or 9 years old | 33 |
2.9%
|
| 4 | 10 or 11 years old | 115 |
10.2%
|
| 5 | 12 or 13 years old | 273 |
24.2%
|
| 6 | 14 or 15 years old | 105 |
9.3%
|
| 7 | 16 years old or older | 2 |
0.2%
|
| Sysmiss | 27 |