| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke daily | 1648 |
85.8%
|
| 2 | 10 years or less | 98 |
5.1%
|
| 3 | 11 years of age | 54 |
2.8%
|
| 4 | 12 years of age | 27 |
1.4%
|
| 5 | 13 years of age | 47 |
2.4%
|
| 6 | 14 years of age | 22 |
1.1%
|
| 7 | 15 years of age | 14 |
0.7%
|
| 8 | 16 years or more | 11 |
0.6%
|
| Sysmiss | 26 |