| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used chewing tobacco | 1670 |
84.3%
|
| 2 | 7 years or less | 77 |
3.9%
|
| 3 | 8 or 9 years old | 48 |
2.4%
|
| 4 | 10 or 11 years old | 69 |
3.5%
|
| 5 | 12 or 13 years old | 85 |
4.3%
|
| 6 | 14 or 15 years old | 24 |
1.2%
|
| 7 | 16 years old or older | 8 |
0.4%
|
| Sysmiss | 10 |