| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1023 |
49.5%
|
| 2 | 7 years old or younger | 249 |
12%
|
| 3 | 8 or 9 years old | 192 |
9.3%
|
| 4 | 10 or 11 years old | 255 |
12.3%
|
| 5 | 12 or 13 years old | 215 |
10.4%
|
| 6 | 14 or 15 years old | 120 |
5.8%
|
| 7 | 16 years old or older | 10 |
0.5%
|
| 8 | 3 |
0.1%
|
|
| Sysmiss | 8 |