| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 935 |
51.9%
|
| 2 | 7 years old or younger | 45 |
2.5%
|
| 3 | 8 or 9 years old | 74 |
4.1%
|
| 4 | 10 or 11 years old | 222 |
12.3%
|
| 5 | 12 or 13 years old | 340 |
18.9%
|
| 6 | 14 or 15 years old | 167 |
9.3%
|
| 7 | 16 years old or older | 17 |
0.9%
|
| Sysmiss | 145 |