| Value |
Category |
Cases |
|
| 1 |
none |
2692 |
|
| 2 |
yes, both smoke |
167 |
|
| 3 |
yes, father only |
1245 |
|
| 4 |
yes, mother only |
67 |
|
| 5 |
don't know |
67 |
|
| Sysmiss |
|
35 |
|
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.
