| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1526 |
75.4%
|
| 2 | 7 years old or younger | 43 |
2.1%
|
| 3 | 8 or 9 years old | 42 |
2.1%
|
| 4 | 10 or 11 years old | 84 |
4.2%
|
| 5 | 12 or 13 years old | 103 |
5.1%
|
| 6 | 14 or 15 years old | 147 |
7.3%
|
| 7 | 16 years old or older | 79 |
3.9%
|
| Sysmiss | 272 |