| Value | Category | Cases | |
|---|---|---|---|
| 1 | Neither my father or my mother smoke | 2838 |
80.1%
|
| 2 | Only my father smokes | 576 |
16.3%
|
| 3 | Only my mother smokes | 26 |
0.7%
|
| 4 | My father and mother both smoke | 15 |
0.4%
|
| 5 | I do not know | 87 |
2.5%
|
| Sysmiss | 6 |