| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 820 |
58.3%
|
| 2 | 7 years old or younger | 132 |
9.4%
|
| 3 | 8 or 9 years old | 103 |
7.3%
|
| 4 | 10 or 11 years old | 142 |
10.1%
|
| 5 | 12 or 13 years old | 130 |
9.2%
|
| 6 | 14 or 15 years old | 64 |
4.5%
|
| 7 | 16 years old or older | 12 |
0.9%
|
| 8 | 4 |
0.3%
|
|
| Sysmiss | 9 |