| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used chewing tobacco | 7740 |
90.3%
|
| 2 | 7 years old or younger | 146 |
1.7%
|
| 3 | 8 or 9 years old | 73 |
0.9%
|
| 4 | 10 or 11 years old | 58 |
0.7%
|
| 5 | 12 or 13 years old | 98 |
1.1%
|
| 6 | 14 or 15 years old | 199 |
2.3%
|
| 7 | 16 years old | 118 |
1.4%
|
| 8 | 17 years or older | 142 |
1.7%
|
| Sysmiss | 28 |