| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1516 |
78.2%
|
| 2 | 7 years old or younger | 222 |
11.4%
|
| 3 | 8 or 9 years old | 86 |
4.4%
|
| 4 | 10 or 11 years old | 35 |
1.8%
|
| 5 | 12 or 13 years old | 30 |
1.5%
|
| 6 | 14 or 15 years old | 28 |
1.4%
|
| 7 | 16 years old or older | 22 |
1.1%
|
| Sysmiss | 59 |