| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1446 |
34.9%
|
| 2 | 7 years old or younger | 362 |
8.7%
|
| 3 | 8 or 9 years old | 253 |
6.1%
|
| 4 | 10 or 11 years old | 505 |
12.2%
|
| 5 | 12 or 13 years old | 1079 |
26.1%
|
| 6 | 14 or 15 years old | 489 |
11.8%
|
| 7 | 16 years old or older | 8 |
0.2%
|
| Sysmiss | 103 |