| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 904 |
54.9%
|
| 2 | 10 years old or younger | 119 |
7.2%
|
| 3 | 11 years old | 110 |
6.7%
|
| 4 | 12 years old | 152 |
9.2%
|
| 5 | 13 years old | 164 |
10%
|
| 6 | 14 years old | 118 |
7.2%
|
| 7 | 15 years old | 61 |
3.7%
|
| 8 | 16 years old or older | 20 |
1.2%
|
| Sysmiss | 56 |