| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke daily | 1152 |
83.4%
|
| 2 | 10 years or less | 40 |
2.9%
|
| 3 | 11 years of age | 39 |
2.8%
|
| 4 | 12 years of age | 31 |
2.2%
|
| 5 | 13 years of age | 29 |
2.1%
|
| 6 | 14 years of age | 33 |
2.4%
|
| 7 | 15 years of age | 37 |
2.7%
|
| 8 | 16 years or more | 21 |
1.5%
|
| Sysmiss | 9 |