| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1918 |
86.4%
|
| 2 | 7 years old or younger | 45 |
2%
|
| 3 | 8 or 9 years old | 32 |
1.4%
|
| 4 | 10 or 11 years old | 68 |
3.1%
|
| 5 | 12 or 13 years old | 78 |
3.5%
|
| 6 | 14 or 15 years old | 61 |
2.7%
|
| 7 | 16 years old or older | 17 |
0.8%
|
| Sysmiss | 49 |