| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1479 |
75.2%
|
| 2 | 7 years old or younger | 55 |
2.8%
|
| 3 | 8 or 9 years old | 60 |
3.1%
|
| 4 | 10 or 11 years old | 84 |
4.3%
|
| 5 | 12 or 13 years old | 126 |
6.4%
|
| 6 | 14 or 15 years old | 111 |
5.6%
|
| 7 | 16 or 17 years old | 47 |
2.4%
|
| 8 | 18 years old or older | 4 |
0.2%
|
| Sysmiss | 91 |