| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1051 |
43.1%
|
| 2 | Both of them smoke | 122 |
5%
|
| 3 | Only father smokes | 1140 |
46.8%
|
| 4 | Only mother smokes | 63 |
2.6%
|
| 5 | I don't know | 61 |
2.5%
|
| Sysmiss | 21 |