| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4390 |
78.2%
|
| 2 | 7 years old or younger | 153 |
2.7%
|
| 3 | 8 or 9 years old | 144 |
2.6%
|
| 4 | 10 or 11 years old | 235 |
4.2%
|
| 5 | 12 or 13 years old | 388 |
6.9%
|
| 6 | 14 or 15 years old | 246 |
4.4%
|
| 7 | 16 years old or older | 57 |
1%
|
| Sysmiss | 260 |