| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1740 |
42.3%
|
| 2 | My father and mother smoke | 154 |
3.7%
|
| 3 | My father only smokes | 1807 |
43.9%
|
| 4 | My mother only smokes | 20 |
0.5%
|
| 5 | Both were ex-smokers | 11 |
0.3%
|
| 6 | My father was an ex-smoker | 349 |
8.5%
|
| 7 | My mother is was an ex-smoker | 6 |
0.1%
|
| 8 | I do not know | 31 |
0.8%
|
| Sysmiss | 78 |