| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1961 |
75.3%
|
| 2 | 7 years old or younger | 96 |
3.7%
|
| 3 | 8 or 9 years old | 67 |
2.6%
|
| 4 | 10 or 11 years old | 152 |
5.8%
|
| 5 | 12 or 13 years old | 203 |
7.8%
|
| 6 | 14 or 15 years old | 110 |
4.2%
|
| 7 | 16 years old or older | 15 |
0.6%
|
| Sysmiss | 138 |