| Value |
Category |
| 1 |
I have never smoked cigarettes |
| 2 |
An ex-smoker |
| 3 |
An occasional smoker |
| 4 |
A frequent smoker |
| 5 |
A daily smoker |
| 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.
