| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1594 |
78.8%
|
| 2 | 7 years old or younger | 98 |
4.8%
|
| 3 | 8 or 9 years old | 73 |
3.6%
|
| 4 | 10 or 11 years old | 74 |
3.7%
|
| 5 | 12 or 13 years old | 89 |
4.4%
|
| 6 | 14 or 15 years old | 68 |
3.4%
|
| 7 | 16 years old or older | 26 |
1.3%
|
| Sysmiss | 92 |