| Value |
Category |
| 1 |
I have never smoked a cigarette |
| 2 |
None |
| 3 |
Some |
| 4 |
More than a half |
| 5 |
All or nearly all |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.